isotherme
\i.zɔ.tɛʁm\
The verdict
“isotherme” is uncommon French (frequency #53,422 among 142,603 “I” headwords), classed as an adjective. The kind of spelling people second-guess.
- #53,422
- frequency rank, French
- 142,603
- “I” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Qui a la même température moyenne.
Corpus desk
Index FR-isotherme · isotherme · French
isotherme · rank #53,422 · 0 variants · 0 confusables
- FREQ-RARE #53,422
- LEN-LONG 9 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 142,603
- PHOTO-FINISH Italian
Nearest frequency peer: Italian (+1 rank slots)
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.
Frequency neighbourhood for “isotherme”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- interlocutr…
interlocutrice
46,583 corpus weight
- irrespirable
irrespirable
46,582 corpus weight
- irréelle
irréelle
46,581 corpus weight
- isotherme
isotherme
46,579 corpus weight
- Italian
Italian
46,578 corpus weight
- jacinthe
jacinthe
46,575 corpus weight
What this shows Bars show where “isotherme” sits against the nearest ranked French headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | isotherme |
| Language | French |
| Part of speech | Adjective |
| IPA | \i.zɔ.tɛʁm\ |
| Letters | 9 |
| Frequency rank | #53,422 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “isotherme” sits in French frequency
Rare enough to double-check
isotherme is uncommon French at frequency #53,422 among 142,603 “I” headwords, classed as anadjective, transcribed \i.zɔ.tɛʁm\. Rarity is why readers land here mid-draft. Gloss: "Qui a la même température moyenne.".
We couldn't generate a plausible misspelling set for isotherme, and the word's spelling is regular enough that our generator found nothing worth flagging. This headword has no recorded confusable partner, since nothing in our dataset looks or sounds close enough to cause mix-ups.
This headword's origin isn't recorded in our source data, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct French form is isotherme, spelled I-S-O-T-H-E-R-M-E.
Definition
- 1Qui a la même température moyenne.
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 French corpus, MIT). See the methodology for how each field is sourced and updated.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
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Similar French words by spelling shape
Same letter count and similar misspelling depth for "isotherme", not the corpus desk frequency band.
Same letter count
Frequency-ranked French headwords with 9 letters (nearest by frequency 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.