circumflex

/ˈsɜː.kəmˌflɛks/

//ˈsɜː.kəmˌflɛks// noun

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

The verdict

“circumflex” is uncommon English (frequency #73,069 among 43,570 “C” headwords), classed as a noun. The kind of spelling people second-guess.

#73,069
frequency rank, English
43,570
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A diacritical mark (ˆ) placed over a vowel in the orthography or transliteration of many languages to change its pronunciation; while in some other languages over a consonant.

Key facts for circumflex
PropertyValue
Headwordcircumflex
LanguageEnglish
Part of speechNoun
IPA/ˈsɜː.kəmˌflɛks/
Letters10
Frequency rank#73,069
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “circumflex” 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). circumflex lands here:

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

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

Rare enough to double-check

circumflex is uncommon English at frequency #73,069 among 43,570 “C” headwords, classed as anoun, transcribed /ˈsɜː.kəmˌflɛks/. Rarity is why readers land here mid-draft. Gloss: "A diacritical mark (ˆ) placed over a vowel in the orthography or transliteration of many languages to change its pronunciation; while in some other languages over a consonant.".

We couldn't generate a plausible misspelling set for circumflex, and the word's spelling is regular enough that our generator found nothing worth flagging. No confusable counterpart is on file for this word, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: Learned borrowing from Latin circumflexus (“bent about”), calqued from Ancient Greek περισπώμενος (perispṓmenos, “drawn around”). The correct English form is circumflex, spelled C-I-R-C-U-M-F-L-E-X.

Definition

  1. 1
    A diacritical mark (ˆ) placed over a vowel in the orthography or transliteration of many languages to change its pronunciation; while in some other languages over a consonant.

Etymology

Learned borrowing from Latin circumflexus (“bent about”), calqued from Ancient Greek περισπώμενος (perispṓmenos, “drawn around”).

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

How do you spell "circumflex"?
"circumflex" is spelled C-I-R-C-U-M-F-L-E-X. The IPA pronunciation is /ˈsɜː.kəmˌflɛks/.
What does "circumflex" mean?
As a noun, "circumflex" means: A diacritical mark (ˆ) placed over a vowel in the orthography or transliteration of many languages to change its pronunciation; while in some other languages over a consonant.
How do you pronounce "circumflex"?
The IPA (International Phonetic Alphabet) transcription for "circumflex" is /ˈsɜː.kəmˌflɛks/. 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 "circumflex"?
Learned borrowing from Latin circumflexus (“bent about”), calqued from Ancient Greek περισπώμενος (perispṓmenos, “drawn around”). 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 “circumflex”

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

  • The one correct English spelling is C-I-R-C-U-M-F-L-E-X - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈsɜː.kəmˌflɛks/ (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.

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

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