trichotomy
/tɹaɪˈkɒt.ə.mi/
"trichotomy" is a 10-letter English headword indexed on PlainSpell.
The verdict
“trichotomy” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 10
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Division or separation into three groups or pieces.
Corpus desk
Index EN-trichotomy · trichotomy · English
trichotomy · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 10 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "T" thin
- PHOTO-UNK Peer pending
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.
| Property | Value |
|---|---|
| Headword | trichotomy |
| Language | English |
| Part of speech | Noun |
| IPA | /tɹaɪˈkɒt.ə.mi/ |
| Letters | 10 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “trichotomy” in English
Rare enough to double-check
trichotomy is uncommon English outside the top frequency list, classed as anoun, transcribed /tɹaɪˈkɒt.ə.mi/. Rarity is why readers land here mid-draft. 2 senses are on record.
Our edit-distance generator produced no likely misspellings for trichotomy, suggesting the orthography follows predictable English patterns. We don't track a confusable pairing for this entry, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: From Ancient Greek τριχοτομία (trikhotomía), from τρίχα (tríkha) + τόμος (tómos) + -ία (-ía). The correct English form is trichotomy, spelled T-R-I-C-H-O-T-O-M-Y.
Definition
- 1Division or separation into three groups or pieces.
- 2the property of an order relation whereby, given an ordered pair of elements (of a given algebraic structure), exactly one of these is true: the first element is 'less than' the second one, the second is 'less than' the first, or the two elements are equal.
Recorded use
Wiktionary exampleThese source excerpts show how trichotomy appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
[A linear order] obeys the following trichotomy law[.]
Etymology
From Ancient Greek τριχοτομία (trikhotomía), from τρίχα (tríkha) + τόμος (tómos) + -ία (-ía).
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). See the methodology for how each field is sourced and updated.