congruence

/ˈkɒŋ.ɡɹʊ.əns/

//ˈkɒŋ.ɡɹʊ.əns// noun

By · According to Wiktionary data (CC BY-SA) ·

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

The verdict

“congruence” is uncommon English (frequency #56,678 among 5,599 “C” headwords), classed as a noun. The kind of spelling people second-guess.

#56,678
frequency rank, English
5,599
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The quality of agreeing or corresponding; being suitable and appropriate.

Corpus desk

Index EN-congruence · congruence · English

congruence · rank #56,678 · 0 variants · 0 confusables

  • FREQ-RARE #56,678
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH concretely

Nearest frequency peer: concretely (-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 “congruence”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for congruence
PropertyValue
Headwordcongruence
LanguageEnglish
Part of speechNoun
IPA/ˈkɒŋ.ɡɹʊ.əns/
Letters10
Frequency rank#56,678
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “congruence” in English

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

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “concretely” (#56,677), “compulsively” (#56,676), “coochie” (#56,680). Among 5,599 “C” headwords, “congruence” is #56,678. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

congruence is uncommon English at frequency #56,678 among 5,599 “C” headwords, classed as anoun, transcribed /ˈkɒŋ.ɡɹʊ.əns/. Rarity is why readers land here mid-draft. 6 senses are on record.

No generated misspelling entries exist for congruence in our index, since its letter sequence doesn't invite the usual edit-distance slips. No confusable counterpart is on file for this word, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From Middle English congruence, from Latin congruentia (“agreement”), from congruēns, present active participle of congruō (“meet together, agree”). The correct English form is congruence, spelled C-O-N-G-R-U-E-N-C-E.

Definition

  1. 1
    The quality of agreeing or corresponding; being suitable and appropriate.
  2. 2
    A relation between two numbers indicating they give the same remainder when divided by some given number.
  3. 3
    The quality of being isometric — roughly, the same measure and shape.
  4. 4
    Matrix similarity by an orthogonal matrix.
  5. 5
    Any equivalence relation defined on an algebraic structure which is preserved by operations defined by the structure.
  6. 6
    A well-adjusted state or condition in which people are not lying to themselves or in denial.

Etymology

From Middle English congruence, from Latin congruentia (“agreement”), from congruēns, present active participle of congruō (“meet together, agree”).

Synonyms

congruencycongruity

Antonyms

incongruenceincongruencyincongruity

This word in other languages

congruence(Français)Kongruenz(Deutsch)congruência(Português)

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 "congruence"?
"congruence" is spelled C-O-N-G-R-U-E-N-C-E. The IPA pronunciation is /ˈkɒŋ.ɡɹʊ.əns/.
What does "congruence" mean?
As a noun, "congruence" means: The quality of agreeing or corresponding; being suitable and appropriate.
How do you pronounce "congruence"?
The IPA (International Phonetic Alphabet) transcription for "congruence" is /ˈkɒŋ.ɡɹʊ.əns/. 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 "congruence"?
From Middle English congruence, from Latin congruentia (“agreement”), from congruēns, present active participle of congruō (“meet together, agree”). 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 "congruence", not the corpus desk frequency band.

Same letter count

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

concretely#56,677cocksucker#56,670chartreuse#56,661Centrelink#56,654

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

Source: FrequencyWords open word-frequency list