Which to use
“thirds” and “thirst” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #8,218
- “thirds” frequency rank
- #12,343
- “thirst” frequency rank
- 20561
- confusion score
Side-by-Side Comparison
| Feature | thirds | thirst |
|---|---|---|
| Definition | plural of third | A sensation of dryness in the throat associated with a craving for liquids, produced by deprivation of drink, or by some other cause (such as fear, excitement, etc.) which stops the secretion of the pharyngeal mucous membrane. |
Where the eye mixes thirds and thirst
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Visual trap between thirds and thirst
A purely visual mix-up. thirds (/θɜːdz/) and thirst (/θɜːst/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 20561, derived from the frequency rank of both members and their visual similarity.
thirds is recorded at frequency rank #8,218, classified as anoun, pronounced /θɜːdz/. thirst is at rank #12,343, tagged as anoun, pronounced /θɜːst/.
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 20561, this pair ranks #430,247 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of thirds vs thirst
Shared letters: hirst. Private to "thirds": d. Private to "thirst": -.
"thirds" · 6 letters · shape CCVCCC · "thirst" · 6 letters · shape CCVCCC
Known mistypes of this pair
Frequently Asked Questions
Can "thirds" and "thirst" be used interchangeably?
Frequency check: "thirds" vs "thirst" - which ranks higher?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "thirds" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "thirst" - compare definitions side by side with the headword page. Word entry
- This pair ranks #430,247 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "thirds" and "thirst" also get mixed up with nearby pairs, the highest-scored neighbour is "thirds vs triads". 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 #430,247 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.