thermos
\tɛʁ.mɔs\
The verdict
“thermos” has 11 generated spelling variants in the French index at frequency #49,973. The variants make it a useful spelling check.
- #49,973
- frequency rank, French
- 3,703
- “T” headwords
- 11
- tracked misspellings
- 5
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Récipient isolant conservant la température d’un liquide pendant quelques heures.
Corpus desk
Index FR-thermos · thermos · French
thermos · rank #49,973 · 11 variants · 5 confusables
- FREQ-MID #49,973
- LEN-LONG 7 letters
- VOW-2 2 vowels
- CONFUS-MID 5 pairs
- VAR-MID 11 variants
- BOOK-MID 3,703
- PHOTO-FINISH terror
Nearest frequency peer: terror (-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.
Pairs de rang près de l'aimant d'erreurs « thermos »
Même bande de rareté: utile si une faute tombe sur un lemme voisin
- terrace
terrace
50,031 corpus weight
- terrifiants
terrifiants
50,030 corpus weight
- terror
terror
50,029 corpus weight
- thermos
thermos
50,028 corpus weight
- Tibétaine
Tibétaine
50,027 corpus weight
- tif
tif
50,026 corpus weight
What this shows « thermos » siège parmi ces pairs FrequencyWords; la profondeur des fautes est suivie à part dans le graphique d'édition.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | thermos |
| Language | French |
| Part of speech | Noun |
| IPA | \tɛʁ.mɔs\ |
| Letters | 7 |
| Frequency rank | #49,973 |
| Misspellings tracked | 11 |
| Confusable pairs | 5 |
| Source | Wiktionary (kaikki.org) |
Fréquence de l'aimant d'erreurs « thermos »
A misspelling magnet
The generator records 11 spelling variants around thermos (IPA \tɛʁ.mɔs\), anoun. Corpus frequency is #49,973 among 3,703 “T” headwords. Wiktionary lists 2 senses, so context still picks the gloss.
Our generated misspelling index lists 11 likely wrong-spelling variants for thermos, with forms such as "htermos", "tehrmos", and "themros". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 5 confusable-pair relationships, "terms", "termes", "thèmes", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
No explicit etymology string is stored for this entry, 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 thermos, spelled T-H-E-R-M-O-S.
Definition
- 1Récipient isolant conservant la température d’un liquide pendant quelques heures.
- 2Vitre encadrée dans un châssis de fenêtre.
Recorded use
Wiktionary examplesThese source excerpts show how thermos appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Mon mécanicien, André Prévot, m’allume des cigarettes. « Café… » Il disparaît à l’arrière de l’avion et revient avec le thermos. Je bois.
Je posai à côté de moi une bouteille Thermos pleine de café et une boîte de petits-beurre ; la voix de M. Lalande annonça : « Liberté et contingence » ; les regards scrutèrent le plafond, les stylos se mirent à bouger ; je couvris des pages et j’eus l’impression que ça avait bien marché.
This word in other languages
Common misspellings
Also misspelled as:
- htermos
- tehrmos
- themros
- thermmos
- thermoss
- thermso
- theroms
- therrmos
- thhermos
- thremos
- tthermos
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of thermos - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.
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.
Frequently Asked Questions
How do you spell "thermos"?
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Similar French words by spelling shape
Same letter count and similar misspelling depth for "thermos", not the corpus desk frequency band.
Same letter count
Frequency-ranked French headwords with 7 letters (nearest by frequency rank).
Similar misspelling depth
Headwords with a similar count of attested misspellings (11 here; floor ≥5).