coincident

/kəʊˈɪnsɪd(ə)nt/

//kəʊˈɪnsɪd(ə)nt// adj

"coincident" is a 10-letter English headword indexed on PlainSpell.

The verdict

“coincident” is uncommon English (frequency #51,026 among 5,599 “C” headwords), classed as an adjective. The kind of spelling people second-guess.

#51,026
frequency rank, English
5,599
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Of two or more objects: being in the same location.

Corpus desk

Index EN-coincident · coincident · English

coincident · rank #51,026 · 0 variants · 0 confusables

  • FREQ-RARE #51,026
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH coffeehouse

Nearest frequency peer: coffeehouse (-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.

Long-tail ranks near “coincident”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “coincident” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for coincident
PropertyValue
Headwordcoincident
LanguageEnglish
Part of speechAdjective
IPA/kəʊˈɪnsɪd(ə)nt/
Letters10
Frequency rank#51,026
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “coincident” in English

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).coincidentfalls in this rarity band:

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

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “coffeehouse” (#51,025), “Colfax” (#51,027), “colonist” (#51,028). Among 5,599 “C” headwords, “coincident” is #51,026. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

coincident is uncommon English at frequency #51,026 among 5,599 “C” headwords, classed as anadjective, transcribed /kəʊˈɪnsɪd(ə)nt/. Rarity is why readers land here mid-draft. 4 senses are on record.

coincident has no tracked misspelling variants, typically a sign the spelling maps closely to how the word sounds. Our confusable-pair dataset has no match for it, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: The adjective is borrowed from French coïncident, from Medieval Latin coincidentem, an accusative singular form of Latin coincidēns (“coinciding”), the present active participle of coincidō (“to coincide”), from co- (variant of con- (prefix denoting a being… The correct English form is coincident, spelled C-O-I-N-C-I-D-E-N-T.

Definition

  1. 1
    Of two or more objects: being in the same location.
  2. 2
    Of two or more events: occurring at the same time; contemporaneous.
  3. 3
    Of two or more things: having the same qualities; being in accordance; consonant, matching.
  4. 4
    Chiefly followed by to: accompanying, concomitant, incident.

Recorded use

Wiktionary examples

These source excerpts show how coincident appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. It is neceſſary therefore that this nevv created or replaced thing do not onely fill ſome part of the Space [i.e. “imaginary space”] above-mentioned, or be coincident and coextended vvith it, but alſo, that it have no dependance upon our thought.
  2. [T]he ſides of the angles A and D are coincident; vvherefore thoſe angles are equall. VVhich vvas to be Dem[onstrated].

Etymology

The adjective is borrowed from French coïncident, from Medieval Latin coincidentem, an accusative singular form of Latin coincidēns (“coinciding”), the present active participle of coincidō (“to coincide”), from co- (variant of con- (prefix denoting a being or bringing together of several objects)) + incidō (“to fall into any condition”) (ultimately from Proto-Indo-European *ḱh₂d- (“to fall”)). The noun is derived from the adjective.

Synonyms

coincidentalcoinciding

Antonyms

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 "coincident"?
"coincident" is spelled C-O-I-N-C-I-D-E-N-T. The IPA pronunciation is /kəʊˈɪnsɪd(ə)nt/.
What does "coincident" mean?
As an adjective, "coincident" means: Of two or more objects: being in the same location.
How do you pronounce "coincident"?
The IPA (International Phonetic Alphabet) transcription for "coincident" is /kəʊˈɪnsɪd(ə)nt/. 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 "coincident"?
The adjective is borrowed from French coïncident, from Medieval Latin coincidentem, an accusative singular form of Latin coincidēns (“coinciding”), the present active participle of coincidō (“to coincide”), from co- (variant of con- (prefix denoti... 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "coincident", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list