thermesvsthèsesWhat's the difference?

Which to use

“thermes” and “thèses” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#24,053
“thermes” frequency rank
#10,958
“thèses” frequency rank
35011
confusion score

Side-by-Side Comparison

Feature thermes thèses
Definition Établissement de bains publics chauds, qui comprenait souvent des palestres, des gymnases, des bibliothèques, des jardins, etc. Pluriel de thèse.

Where the eye mixes thermes and thèses

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

7 ch
thermes
6 ch
thèses

Why the eye confuses thermes with thèses

A purely visual mix-up. thermes (\tɛʁm\) and thèses (\tɛz\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 35011, derived from the frequency rank of both members and their visual similarity.

thermes is recorded at frequency rank #24,053, classified as anoun, pronounced \tɛʁm\. thèses is at rank #10,958, tagged as anoun, pronounced \tɛz\.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 35011, this pair ranks #279,798 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of thermes vs thèses

Shared letters: ehst. Private to "thermes": mr. Private to "thèses": è.

"thermes" · 7 letters · shape CCVCCVC  ·  "thèses" · 6 letters · shape CCVCVC

Known mistypes of this pair

  • thermeshtermes · tehrmes · themres · therems · thermess · thermmes · thermse · therrmes

Frequently Asked Questions

Can "thermes" and "thèses" be used interchangeably?
No. They are said differently (\tɛʁm\ versus \tɛz\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "thermes" or "thèses" show up more?
"thèses" is the more common of the two: it sits at frequency rank #10,958 in our French list, against #24,053 for "thermes". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "thermes" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "thèses" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #279,798 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "thermes" and "thèses" also get mixed up with nearby pairs, the highest-scored neighbour is "thermes vs thermos". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #279,798 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list