span

/spæn/

//spæn// noun

By · According to Wiktionary data (CC BY-SA) ·

"span" is a 4-letter English headword indexed on PlainSpell.

The verdict

“span” has 6 generated spelling variants in the English index at frequency #6,416. The variants make it a useful spelling check.

#6,416
frequency rank, English
6,566
“S” headwords
6
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The full width of an open hand from the end of the thumb to the end of the little finger used as an informal unit of length.

Corpus desk

Index EN-span · span · English

span · rank #6,416 · 6 variants · 20 confusables

  • FREQ-COMMON #6,416
  • LEN-MID 4 letters
  • VOW-1 1 vowel
  • CONFUS-HIGH 20 pairs
  • VAR-MID 6 variants
  • BOOK-DENSE 6,566
  • PHOTO-FINISH shorts

Nearest frequency peer: shorts (-1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Frequency neighbourhood for “span”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “span” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

span vs sun
50% similar
span vs spy
50% similar
span vs STA
0% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for span
PropertyValue
Headwordspan
LanguageEnglish
Part of speechNoun
IPA/spæn/
Letters4
Frequency rank#6,416
Misspellings tracked6
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “span” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). span lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 6 spelling variants around span (IPA /spæn/), anoun. Corpus frequency is #6,416 among 6,566 “S” headwords. Wiktionary lists 11 senses, so context still picks the gloss.

Our generated misspelling index lists 6 likely wrong-spelling variants for span, with forms such as "psan", "sapn", and "spann". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 20 confusable-pair relationships, "sun", "spy", "STA", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From Middle English spanne, from Old English spann, from Proto-Germanic *spannō (“span, handbreadth”), from Proto-Indo-European *(s)pend- (“to stretch”). Cognate with Dutch span, spanne, German Spanne. The sense “pair of horses” is probably from Old English… The correct English form is span, spelled S-P-A-N.

Definition

  1. 1
    The full width of an open hand from the end of the thumb to the end of the little finger used as an informal unit of length.
  2. 2
    Any of various traditional units of length approximating this distance, especially the English handspan of 9 inches forming ⅛ fathom and equivalent to 22.86 cm.
  3. 3
    A small space or a brief portion of time.
  4. 4
    A portion of something by length; a subsequence.
  5. 5
    The spread or extent of an arch or between its abutments, or of a beam, girder, truss, roof, bridge, or the like, between supports.
  6. 6
    The length of a cable, wire, rope, chain between two consecutive supports.
  7. 7
    A rope having its ends made fast so that a purchase can be hooked to the bight; also, a rope made fast in the center so that both ends can be used.
  8. 8
    A pair of horses or other animals driven together; usually, such a pair of horses when similar in color, form, and action.
  9. 9
    The space of all linear combinations of vectors within a set.
  10. 10
    The time required to execute a parallel algorithm on an infinite number of processors, i.e. the shortest distance across a directed acyclic graph representing the computation steps.
  11. 11
    wingspan of a plane or bird

Recorded use

Wiktionary examples

These source excerpts show how span appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. He has a short attention span and gets bored within minutes.
  2. "Why in ten thousand years scarce will the rain and storms lessen a mountain top by a span in thickness?"

Etymology

From Middle English spanne, from Old English spann, from Proto-Germanic *spannō (“span, handbreadth”), from Proto-Indo-European *(s)pend- (“to stretch”). Cognate with Dutch span, spanne, German Spanne. The sense “pair of horses” is probably from Old English ġespan, ġespann (“a joining; a fastening together; clasp; yoke”), from Proto-West Germanic [Term?]. Cognate with Dutch gespan, German Gespann.

This word in other languages

palmo(Español)empan(Français)Spanne(Deutsch)palmo(Português)

Common misspellings

Also misspelled as:

  • psan
  • sapn
  • spann
  • spna
  • sppan
  • sspan

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of span - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

psan2sapn2spann1spna2sppan1sspan1
Edit distance from "span"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 3, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "span"?
"span" is spelled S-P-A-N. The IPA pronunciation is /spæn/.
What does "span" mean?
As a noun, "span" means: The full width of an open hand from the end of the thumb to the end of the little finger used as an informal unit of length.
What words are commonly confused with "span"?
"span" is commonly confused with "sun", "spy", "STA". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "span"?
The IPA (International Phonetic Alphabet) transcription for "span" is /spæn/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "span"?
From Middle English spanne, from Old English spann, from Proto-Germanic *spannō (“span, handbreadth”), from Proto-Indo-European *(s)pend- (“to stretch”). Cognate with Dutch span, spanne, German Spanne. The sense “pair of horses” is probably from O... See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "span", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 4 letters (nearest by frequency rank).

scan#6,412tops#6,425reed#6,406nest#6,384

Similar misspelling depth

Headwords with a similar count of attested misspellings (6 here; floor ≥5).

rises6 variantspetty6 variantsassure6 variantspenny6 variants

What to do next

You've looked up "span". Here's where to go from here.

  • "span" maps to 20 confusable pairs in this vintage; the highest-scored is "sun". View pair
  • 6 edit-distance misspelling variants are generated for spell-check research on this headword. See variants
  • Usage frequency rank #6,416 among English headwords in this corpus. Corpus statistics
  • Browse more English words in the "S" letter cohort. S–Z browse
  • PlainSpell rotates a curated Word of the Day from the English corpus, a passive way to discover vocabulary. Word of the Day

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list