# six

> English word · Numeral · IPA /sɪks/ · frequency rank #519

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

## 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.

## Easily confused with
- **so** (https://plainspell.com/en/vs/six-vs-so)
- **SS** (https://plainspell.com/en/vs/six-vs-ss)
- **SP** (https://plainspell.com/en/vs/six-vs-sp)
- **su** (https://plainspell.com/en/vs/six-vs-su)
- **SM** (https://plainspell.com/en/vs/six-vs-sm)
- **SW** (https://plainspell.com/en/vs/six-vs-sw)
- **SL** (https://plainspell.com/en/vs/six-vs-sl)
- **SK** (https://plainspell.com/en/vs/six-vs-sk)
- **SV** (https://plainspell.com/en/vs/six-vs-sv)
- **SJ** (https://plainspell.com/en/vs/six-vs-sj)
- **Sy** (https://plainspell.com/en/vs/six-vs-sy)
- **son** (https://plainspell.com/en/vs/six-vs-son)
- **sun** (https://plainspell.com/en/vs/six-vs-sun)
- **sky** (https://plainspell.com/en/vs/six-vs-sky)
- **sub** (https://plainspell.com/en/vs/six-vs-sub)
- **sum** (https://plainspell.com/en/vs/six-vs-sum)
- **spy** (https://plainspell.com/en/vs/six-vs-spy)
- **sue** (https://plainspell.com/en/vs/six-vs-sue)
- **ski** (https://plainspell.com/en/vs/six-vs-ski)
- **spa** (https://plainspell.com/en/vs/six-vs-spa)

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/six