sixty
/ˈsɪksti/
"sixty" is a 5-letter English headword indexed on PlainSpell.
The verdict
“sixty” is a regularly-used English word, ranked #7,978 in English word frequency and used as a numeral.
- #7,978
- frequency rank, English
- 5
- letters
- 8
- tracked misspellings
- 17
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The cardinal number occurring after fifty-nine and before sixty-one, represented in Roman numerals as LX and in Arabic numerals as 60.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | sixty |
| Language | English |
| Part of speech | Numeral |
| IPA | /ˈsɪksti/ |
| Letters | 5 |
| Frequency rank | #7,978 |
| Misspellings tracked | 8 |
| Confusable pairs | 17 |
| Source | Wiktionary (kaikki.org) |
Where “sixty” sits in English frequency
Spelling & Dictionary Insight
The English entry for sixty is 5 letters long, classified as a numeral, and transcribed in the International Phonetic Alphabet as /ˈsɪksti/. Corpus data places it at rank #7,978 in overall English word frequency, indicating it appears regularly in written and spoken text. The dominant gloss from Wiktionary reads: "The cardinal number occurring after fifty-nine and before sixty-one, represented in Roman numerals as LX and in Arabic numerals as 60.".
Our generated misspelling index lists 8 likely wrong-spelling variants for sixty, with forms such as "isxty", "sitxy", and "sixtty". 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 17 confusable-pair relationships, "six", "sit", "site", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
Etymologically, the entry records: Inherited from Middle English sixty, sexty, Old English sixtiġ, from Proto-Germanic *sehs tigiwiz (“sixty”), equivalent to six + -ty. Cognate with Scots sexty, saxty (“sixty”), Saterland Frisian säkstich (“sixty”), West Frisian sechstich (“sixty”), Dutch ze… The correct English form is sixty, spelled S-I-X-T-Y.
Definition
- 1The cardinal number occurring after fifty-nine and before sixty-one, represented in Roman numerals as LX and in Arabic numerals as 60.
Etymology
Inherited from Middle English sixty, sexty, Old English sixtiġ, from Proto-Germanic *sehs tigiwiz (“sixty”), equivalent to six + -ty. Cognate with Scots sexty, saxty (“sixty”), Saterland Frisian säkstich (“sixty”), West Frisian sechstich (“sixty”), Dutch zestig (“sixty”), German Low German sesstig (“sixty”), German sechzig (“sixty”), Swedish sextio (“sixty”), Norwegian seksti (“sixty”), Icelandic sextíu (“sixty”). Compare also Sanskrit षष्टि (ṣaṣṭi).
This word in other languages
Common misspellings
Also misspelled as: isxty,sitxy,sixtty,sixtyy,sixxty,sixyt,ssixty,sxity
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of sixty - 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.
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.
Frequently Asked Questions
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Using “sixty”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is S-I-X-T-Y - every other letter order is a misspelling in standard orthography.
- Say it as /ˈsɪksti/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “six” - see the side-by-side comparison. sixty vs six
- Browse more English words and confusable pairs in the same reference. English words
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.