six

/sɪks/

//sɪks// num

"six" is a 3-letter English headword indexed on PlainSpell.

The verdict

“six” sits in 20 confusable pairs (corpus #519) as a numeral. The look-alike neighbours are the real trap.

#519
frequency rank, English
6,566
“S” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A numerical value equal to 6; the number following five and preceding seven. This number of dots: (••••••).

Corpus desk

Index EN-six · six · English

six · rank #519 · 0 variants · 20 confusables

  • FREQ-CORE #519
  • LEN-MID 3 letters
  • VOW-1 1 vowel
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-DENSE 6,566
  • PHOTO-FINISH quite

Nearest frequency peer: quite (-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 “six”

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

corpus weight

What this shows Bars show where “six” 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).

six vs so
33% similar
six vs SS
0% similar
six vs SP
0% similar

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

Key facts for six
PropertyValue
Headwordsix
LanguageEnglish
Part of speechNumeral
IPA/sɪks/
Letters3
Frequency rank#519
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “six” 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). six lands here:

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

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

Easy to mix with look-alikes

The spelling risk for six is neighbouring look-alikes ("so", "SS", …), not just typos; it is anumeral pronounced /sɪks/. Frequency #519 among 6,566 “S” headwords. Gloss: "A numerical value equal to 6; the number following five and preceding seven. This number of dots: (••••••).".

The misspelling generator found no plausible variants for six, and the word's spelling is regular enough that our generator found nothing worth flagging. It also participates in 20 confusable-pair relationships, "so", "SS", "SP", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: PIE word *swéḱs From Middle English six, from Old English six, from Proto-West Germanic *sehs, from Proto-Germanic *sehs, from Proto-Indo-European *swéḱs. Compare West Frisian seis, Dutch zes, Low German söss, sess, German sechs, Norwegian and Danish seks,… The correct English form is six, spelled S-I-X.

Definition

  1. 1
    A numerical value equal to 6; the number following five and preceding seven. This number of dots: (••••••).

Recorded use

Wiktionary example

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

  1. Gunshots rang out in the capital Abuja and also in the neighboring Niger state as police lobbed tear gas to disperse defiant protesters. In Niger, at least six people are now feared dead, local media reported.

Etymology

PIE word *swéḱs From Middle English six, from Old English six, from Proto-West Germanic *sehs, from Proto-Germanic *sehs, from Proto-Indo-European *swéḱs. Compare West Frisian seis, Dutch zes, Low German söss, sess, German sechs, Norwegian and Danish seks, also Latin sex, Ancient Greek ἕξ (héx), Sanskrit षष् (ṣaṣ). Doublet of sice. Toilet sense predates military usage.

This word in other languages

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 "six"?
"six" is spelled S-I-X. The IPA pronunciation is /sɪks/.
What does "six" mean?
As a numeral, "six" means: A numerical value equal to 6; the number following five and preceding seven. This number of dots: (••••••).
What words are commonly confused with "six"?
"six" is commonly confused with "so", "SS", "SP". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "six"?
The IPA (International Phonetic Alphabet) transcription for "six" is /sɪks/. 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 "six"?
PIE word *swéḱs From Middle English six, from Old English six, from Proto-West Germanic *sehs, from Proto-Germanic *sehs, from Proto-Indo-European *swéḱs. Compare West Frisian seis, Dutch zes, Low German söss, sess, German sechs, Norwegian and Da... 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 "six", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 3 letters (nearest by frequency rank).

What to do next

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

  • "six" maps to 20 confusable pairs in this vintage; the highest-scored is "so". View pair
  • Usage frequency rank #519 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