coextensive
/ˌkoʊ.ɛkˈstɛn.sɪv/adjective
coextensive is spelled C-O-E-X-T-E-N-S-I-V-E: 11 letters and 4 syllables. It appears about once in every 15 million words in written English, the 117,098th most frequent word form (wordfreq, 2021 data). As an adjective, coextensive means “Having the same spatial limits or boundaries; sharing the same area” (English Wiktionary, September 2026).
How many letters and syllables are in coextensive?
| Letters | 11: C-O-E-X-T-E-N-S-I-V-E |
|---|---|
| Syllables | 4 (from its pronunciation) |
| In writing | about once in every 15 million words; the 117,098th most frequent word form |
| Wrong spellings searched | none measured in search |
| Rhymes with |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is coextensive?
Coextensive appears about once in every 15 million words in written English, the 117,098th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce coextensive?
- UK /ˌkəʊ.ɪkˈstɛn.sɪv/
- US /ˌkoʊ.ɛkˈstɛn.sɪv/
Coextensive has 4 syllables (counted from the pronunciation).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Sumxr-coextensive.wav, Wikimedia Commons (author and licence on each file's page).
What rhymes with coextensive?
7 words on PlainSpell end in the same sounds as coextensive from its last stressed vowel (/ɛnsɪv/):
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of coextensive
- co-extensive
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does coextensive mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Having the same spatial limits or boundaries; sharing the same area.
The city and county of San Francisco are coextensive.
- 2
Occurring over the same period of time; contemporaneous.
- 3
Having the same extension–the object or set of objects to which a term refers.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).