Which to use
“third” is an adjective and “thirst” is a noun - they look or sound alike but fill different roles in a sentence.
- #483
- “third” frequency rank
- #12,343
- “thirst” frequency rank
- 12826
- confusion score
Side-by-Side Comparison
| Feature | third | thirst |
|---|---|---|
| Definition | The ordinal form of the cardinal number three; Coming after the second. | 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 third and thirst
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Look-alike desk: third vs thirst
These two trip readers on the page rather than in the ear: third is /θɜːd/ while thirst is /θɜːst/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 12826, derived from the frequency rank of both members and their visual similarity.
third is recorded at frequency rank #483, classified as anadj, pronounced /θɜːd/. 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 12826, this pair ranks #479,342 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of third vs thirst
Shared letters: hirt. Private to "third": d. Private to "thirst": s.
"third" · 5 letters · shape CCVCC · "thirst" · 6 letters · shape CCVCCC
Known mistypes of this pair
Frequently Asked Questions
Do "third" and "thirst" mean the same thing in a sentence?
Frequency check: "third" vs "thirst" - which ranks higher?
After this comparison
Eye-level mix-up between "third" and "thirst" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "third" 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 #479,342 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "third" and "thirst" also get mixed up with nearby pairs, the highest-scored neighbour is "thicc vs third". 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 #479,342 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.