circa

/ˈsɜːkə/

//ˈsɜːkə// prep

"circa" is a 5-letter English headword indexed on PlainSpell.

The verdict

“circa” is a moderately-common English word, ranked #13,480 in English word frequency and used as a preposition.

#13,480
frequency rank, English
5
letters
7
tracked misspellings
16
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Approximately, about, around (typically in relation to time)

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

circa vs coca
60% similar
circa vs Cora
40% similar
circa vs cisco
60% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for circa
PropertyValue
Headwordcirca
LanguageEnglish
Part of speechPreposition
IPA/ˈsɜːkə/
Letters5
Frequency rank#13,480
Misspellings tracked7
Confusable pairs16
SourceWiktionary (kaikki.org)

Where “circa” 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). circa 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 circa is 5 letters long, classified as a preposition, and transcribed in the International Phonetic Alphabet as /ˈsɜːkə/. Corpus data places it at rank #13,480 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Approximately, about, around (typically in relation to time)".

Our generated misspelling index lists 7 likely wrong-spelling variants for circa, with forms such as "ccirca", "cicra", and "cirac". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 16 confusable-pair relationships, "coca", "Cora", "cisco", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: Borrowed from Latin circa. The correct English form is circa, spelled C-I-R-C-A.

Definition

  1. 1
    Approximately, about, around (typically in relation to time)

Etymology

Borrowed from Latin circa.

This word in other languages

Common misspellings

Also misspelled as: ccirca,cicra,cirac,circca,cirrca,crica,icrca

Misspelling Pattern Breakdown

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

ccirca1cicra2cirac2circca1cirrca1crica2icrca2
Edit distance from "circa"

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 "circa"?
"circa" is spelled C-I-R-C-A. The IPA pronunciation is /ˈsɜːkə/.
What does "circa" mean?
As a preposition, "circa" means: Approximately, about, around (typically in relation to time)
What words are commonly confused with "circa"?
"circa" is commonly confused with "coca", "Cora", "cisco". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "circa"?
The IPA (International Phonetic Alphabet) transcription for "circa" is /ˈsɜːkə/. 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 "circa"?
Borrowed from Latin circa. 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 “circa”

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

  • The one correct English spelling is C-I-R-C-A - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈsɜːkə/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “coca” - see the side-by-side comparison. circa vs coca
  • 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