dichotomy

/daɪˈkɒtəmi/

//daɪˈkɒtəmi// noun

"dichotomy" is a 9-letter English headword indexed on PlainSpell.

The verdict

“dichotomy” is a moderately-common English word, ranked #25,732 in English word frequency and used as a noun.

#25,732
frequency rank, English
9
letters
14
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A separation or division into two; a distinction that results in such a division.

Key facts for dichotomy
PropertyValue
Headworddichotomy
LanguageEnglish
Part of speechNoun
IPA/daɪˈkɒtəmi/
Letters9
Frequency rank#25,732
Misspellings tracked14
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “dichotomy” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). dichotomy lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for dichotomy is 9 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /daɪˈkɒtəmi/. Corpus data places it at rank #25,732 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 6 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 14 likely wrong-spelling variants for dichotomy, with forms such as "dcihotomy", "ddichotomy", and "dicchotomy". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It is not paired with a close-neighbour confusable in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From Ancient Greek διχοτομία (dikhotomía, “dichotomy”). The correct English form is dichotomy, spelled D-I-C-H-O-T-O-M-Y.

Definition

  1. 1
    A separation or division into two; a distinction that results in such a division.
  2. 2
    Such a division involving apparently incompatible or opposite principles; a duality.
  3. 3
    The division of a class into two disjoint subclasses that are together comprehensive, as the division of human into female and male.
  4. 4
    The division of a genus into two species; a division into two subordinate parts.
  5. 5
    A phase of the moon when it appears half lit and half dark, for example at the quadratures.
  6. 6
    Division and subdivision; bifurcation, such as that of a stem of a plant or a vein of the body into two parts as it proceeds from its origin; often successive.

Etymology

From Ancient Greek διχοτομία (dikhotomía, “dichotomy”).

Synonyms

This word in other languages

Common misspellings

Also misspelled as: dcihotomy,ddichotomy,dicchotomy,dichhotomy,dichootmy,dichotmoy,dichotommy,dichotomyy,dichotoym,dichottomy,dichtoomy,dicohtomy,dihcotomy,idchotomy

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of dichotomy - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

dcihotomy2ddichotomy1dicchotomy1dichhotomy1dichootmy2dichotmoy2dichotommy1dichotomyy1
Edit distance from "dichotomy"

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

How do you spell "dichotomy"?
"dichotomy" is spelled D-I-C-H-O-T-O-M-Y. The IPA pronunciation is /daɪˈkɒtəmi/.
What does "dichotomy" mean?
As a noun, "dichotomy" means: A separation or division into two; a distinction that results in such a division.
What are common misspellings of "dichotomy"?
Common misspellings include "dcihotomy", "ddichotomy", "dicchotomy", "dichhotomy", "dichootmy". The correct spelling is "dichotomy".
How do you pronounce "dichotomy"?
The IPA (International Phonetic Alphabet) transcription for "dichotomy" is /daɪˈkɒtəmi/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "dichotomy"?
From Ancient Greek διχοτομία (dikhotomía, “dichotomy”). See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “dichotomy”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is D-I-C-H-O-T-O-M-Y - every other letter order is a misspelling in standard orthography.
  • Say it as /daɪˈkɒtəmi/ (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
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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list