sphere

/sfɪə(ɹ)/

//sfɪə(ɹ)// noun

"sphere" is a 6-letter English headword indexed on PlainSpell.

The verdict

“sphere” has 9 generated spelling variants in the English index at frequency #8,208. The variants make it a useful spelling check.

#8,208
frequency rank, English
6,566
“S” headwords
9
tracked misspellings
11
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A surface in three dimensions consisting of all points equidistant from a center. .

Corpus desk

Index EN-sphere · sphere · English

sphere · rank #8,208 · 9 variants · 11 confusables

  • FREQ-COMMON #8,208
  • LEN-LONG 6 letters
  • VOW-2 2 vowels
  • CONFUS-MID 11 pairs
  • VAR-MID 9 variants
  • BOOK-DENSE 6,566
  • PHOTO-FINISH Sophie

Nearest frequency peer: Sophie (-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 “sphere”

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

corpus weight

What this shows Bars show where “sphere” 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).

sphere vs spree
67% similar
sphere vs spire
67% similar
sphere vs spore
67% similar

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

Key facts for sphere
PropertyValue
Headwordsphere
LanguageEnglish
Part of speechNoun
IPA/sfɪə(ɹ)/
Letters6
Frequency rank#8,208
Misspellings tracked9
Confusable pairs11
SourceWiktionary (kaikki.org)

Where “sphere” 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). sphere 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 9 spelling variants around sphere (IPA /sfɪə(ɹ)/), anoun. Corpus frequency is #8,208 among 6,566 “S” headwords. Wiktionary lists 9 senses, so context still picks the gloss.

Our generated misspelling index lists 9 likely wrong-spelling variants for sphere, with forms such as "pshere", "shpere", and "spehre". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 11 confusable-pair relationships, "spree", "spire", "spore", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From Middle English spere, from Old French sphere, from Late Latin sphēra, earlier Latin sphaera (“ball, globe, celestial sphere”), from Ancient Greek σφαῖρα (sphaîra, “ball, globe”), of unknown origin. Not related to superficially similar Persian سپهر (sep… The correct English form is sphere, spelled S-P-H-E-R-E.

Definition

  1. 1
    A surface in three dimensions consisting of all points equidistant from a center. .
  2. 2
    An object which appears to be bounded by a sphere; a round object, a ball.
  3. 3
    The celestial sphere: the edge of the heavens, imagined as a hollow globe within which celestial bodies appear to be embedded.
  4. 4
    Any of the concentric hollow transparent globes formerly believed to rotate around the Earth, and which carried the heavenly bodies; there were originally believed to be eight, and later nine and ten; friction between them was thought to cause a harmonious sound (the music of the spheres).
  5. 5
    An area of activity for a planet; or by extension, an area of influence for a god, hero etc.
  6. 6
    The region in which something or someone is active; one's province, domain.
  7. 7
    The natural, normal, or proper place (of something).
  8. 8
    The set of all points in three-dimensional Euclidean space (or n-dimensional space, in topology) that are a fixed distance from a fixed point .
  9. 9
    The domain of reference of a proposition, subject, or predicate, or the totality of the particular subjects to which it applies.

Recorded use

Wiktionary examples

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

  1. Of celestial bodies, first the sun, / A mighty sphere, he framed.
  2. So your orientation changes a little bit but it sinks in that the world is a sphere, and you're going around it, sometimes under it, sideways, or over it.

Etymology

From Middle English spere, from Old French sphere, from Late Latin sphēra, earlier Latin sphaera (“ball, globe, celestial sphere”), from Ancient Greek σφαῖρα (sphaîra, “ball, globe”), of unknown origin. Not related to superficially similar Persian سپهر (sepehr, “sky”) .

This word in other languages

Common misspellings

Also misspelled as:

  • pshere
  • shpere
  • spehre
  • spheer
  • spherre
  • sphhere
  • sphree
  • spphere
  • ssphere

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of sphere - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

pshere2shpere2spehre2spheer2spherre1sphhere1sphree2spphere1
Edit distance from "sphere"

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 "sphere"?
"sphere" is spelled S-P-H-E-R-E. The IPA pronunciation is /sfɪə(ɹ)/.
What does "sphere" mean?
As a noun, "sphere" means: A surface in three dimensions consisting of all points equidistant from a center. .
What words are commonly confused with "sphere"?
"sphere" is commonly confused with "spree", "spire", "spore". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "sphere"?
The IPA (International Phonetic Alphabet) transcription for "sphere" is /sfɪə(ɹ)/. 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 "sphere"?
From Middle English spere, from Old French sphere, from Late Latin sphēra, earlier Latin sphaera (“ball, globe, celestial sphere”), from Ancient Greek σφαῖρα (sphaîra, “ball, globe”), of unknown origin. Not related to superficially similar Persian... 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 "sphere", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 6 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (9 here; floor ≥5).

What to do next

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

  • "sphere" maps to 11 confusable pairs in this vintage; the highest-scored is "spree". View pair
  • 9 edit-distance misspelling variants are generated for spell-check research on this headword. See variants
  • Usage frequency rank #8,208 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