not
/nɒt/
"not" is a 3-letter English headword indexed on PlainSpell.
The verdict
“not” sits in 20 confusable pairs (corpus #23) as an adverb. The look-alike neighbours are the real trap.
- #23
- frequency rank, English
- 1,534
- “N” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Negates the meaning of the modified verb.
Corpus desk
Index EN-not · not · English
not · rank #23 · 0 variants · 20 confusables
- FREQ-CORE #23
- LEN-MID 3 letters
- VOW-1 1 vowel
- CONFUS-HIGH 20 pairs
- VAR-0 0 variants
- BOOK-MID 1,534
- PHOTO-FINISH he
Nearest frequency peer: he (-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 “not”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- have
have
99,981 corpus weight
- at
at
99,980 corpus weight
- he
he
99,979 corpus weight
- not
not
99,978 corpus weight
- by
by
99,977 corpus weight
- but
but
99,976 corpus weight
What this shows Bars show where “not” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
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 | not |
| Language | English |
| Part of speech | Adverb |
| IPA | /nɒt/ |
| Letters | 3 |
| Frequency rank | #23 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “not” sits in English frequency
Easy to mix with look-alikes
The spelling risk for not is neighbouring look-alikes ("NZ", "NT", …), not just typos; it is anadverb pronounced /nɒt/. Frequency #23 among 1,534 “N” headwords. 5 recorded senses keep meaning in play.
Zero misspellings are on record for not in our index, typically a sign the spelling maps closely to how the word sounds. It also participates in 20 confusable-pair relationships, "NZ", "NT", "NP", 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 not, nat, variant of noght, naht (“not, nothing”), from Old English *nōht, nāht (“nought, nothing”), short for nōwiht, nāwiht (“nothing”, literally “not anything”), corresponding to ne (“not”) + ōwiht, āwiht (“anything”), corresponding t… The correct English form is not, spelled N-O-T.
Definition
- 1Negates the meaning of the modified verb.
- 2To no degree.
- 3Used to indicate the opposite or near opposite, often in a form of understatement.
- 4Used before a determiner phrase, a pronominal phrase etc. to convey a negative attitude (e.g. denial, sadness, anger) towards something.
- 5Used before a non-finite clause (especially a gerund-participial clause) or less commonly a determiner phrase to ironically convey some attitude (e.g. surprise, incredulity, amusement, embarrassment) towards something.
Recorded use
Wiktionary examplesThese source excerpts show how not appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Did you take out the trash? — No, I did not. I do not think it was my turn, was it?
Not knowing any better, I went ahead.
Etymology
From Middle English not, nat, variant of noght, naht (“not, nothing”), from Old English *nōht, nāht (“nought, nothing”), short for nōwiht, nāwiht (“nothing”, literally “not anything”), corresponding to ne (“not”) + ōwiht, āwiht (“anything”), corresponding to ā (“ever, always”) + wiht (“thing, creature”). Cognate with Scots nat, naucht (“not”), Saterland Frisian nit (“not”), West Frisian net (“not”), Dutch niet (“not”), German nicht (“not”). Compare nought, naught and aught. More at no, wight, whit.
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.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "not", not the corpus desk frequency band.
What to do next
You've looked up "not". Here's where to go from here.
- "not" maps to 20 confusable pairs in this vintage; the highest-scored is "NZ". View pair
- Usage frequency rank #23 among English headwords in this corpus. Corpus statistics
- Browse more English words in the "N" letter cohort. N–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.