Which to use
“terms” and “thermos” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #838
- “terms” frequency rank
- #44,527
- “thermos” frequency rank
- 45365
- confusion score
Side-by-Side Comparison
| Feature | terms | thermos |
|---|---|---|
| Definition | plural of term | A bottle, flask or similar vessel having a vacuum between its inner and outer silvered walls; designed to maintain the temperature of its contents |
Where the eye mixes terms and thermos
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Why the eye confuses terms with thermos
A purely visual mix-up. terms (/tɜːmz/) and thermos (/ˈθɜː.mɒs/) 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 2 letter(s) in length. Our composite confusion score for this pair is 45365, derived from the frequency rank of both members and their visual similarity.
terms is recorded at frequency rank #838, classified as anoun, pronounced /tɜːmz/. thermos is at rank #44,527, tagged as anoun, pronounced /ˈθɜː.mɒs/.
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 45365, this pair ranks #221,911 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of terms vs thermos
Shared letters: emrst. Private to "terms": -. Private to "thermos": ho.
"terms" · 5 letters · shape CVCCC · "thermos" · 7 letters · shape CCVCCVC
Known mistypes of this pair
Frequently Asked Questions
Can "terms" and "thermos" be used interchangeably?
In ordinary English text, does "terms" or "thermos" show up more?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "terms" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "thermos" - compare definitions side by side with the headword page. Word entry
- This pair ranks #221,911 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "terms" and "thermos" also get mixed up with nearby pairs, the highest-scored neighbour is "thereon 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 #221,911 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.