incisor
/ɪnˈsaɪ.zə(ɹ)/
"incisor" is a 7-letter English headword indexed on PlainSpell.
The verdict
“incisor” is uncommon English (frequency #73,293 among 17,902 “I” headwords), classed as a noun. The kind of spelling people second-guess.
- #73,293
- frequency rank, English
- 17,902
- “I” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A narrow-edged tooth at the front of the mouth of mammals, between the canines and adapted for cutting; in humans there are four in each jaw.
| Property | Value |
|---|---|
| Headword | incisor |
| Language | English |
| Part of speech | Noun |
| IPA | /ɪnˈsaɪ.zə(ɹ)/ |
| Letters | 7 |
| Frequency rank | #73,293 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “incisor” sits in English frequency
Rare enough to double-check
incisor is uncommon English at frequency #73,293 among 17,902 “I” headwords, classed as anoun, transcribed /ɪnˈsaɪ.zə(ɹ)/. Rarity is why readers land here mid-draft. Gloss: "A narrow-edged tooth at the front of the mouth of mammals, between the canines and adapted for cutting; in humans there are four in each jaw.".
Zero misspellings are on record for incisor in our index, a straightforward case of a spelling with little room for common typos. This entry stands alone in our confusable dataset, since no other headword is close enough in sound or shape to pair with it.
Etymologically, the entry records: Borrowing from New Latin incīsor, from incīdō (“to cut into, cut through”) + -tor (“-er, -or”, agent noun suffix). The correct English form is incisor, spelled I-N-C-I-S-O-R.
Definition
- 1A narrow-edged tooth at the front of the mouth of mammals, between the canines and adapted for cutting; in humans there are four in each jaw.
Etymology
Borrowing from New Latin incīsor, from incīdō (“to cut into, cut through”) + -tor (“-er, -or”, agent noun suffix).
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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Using “incisor”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is I-N-C-I-S-O-R - every other letter order is a misspelling in standard orthography.
- Say it as /ɪnˈsaɪ.zə(ɹ)/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this rank
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.