Which to use
“thirdly” is an adverb and “thirsty” is an adjective - they look or sound alike but fill different roles in a sentence.
- #26,995
- “thirdly” frequency rank
- #10,623
- “thirsty” frequency rank
- 37618
- confusion score
Side-by-Side Comparison
| Feature | thirdly | thirsty |
|---|---|---|
| Definition | In the third place; third in a row. | Needing to drink water or any liquid that can supply water. |
Where the eye mixes thirdly and thirsty
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Look-alike desk: thirdly vs thirsty
These two trip readers on the page rather than in the ear: thirdly is /ˈθɜːdli/ while thirsty is /ˈθɝs.ti/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adverb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 37618, derived from the frequency rank of both members and their visual similarity.
thirdly is recorded at frequency rank #26,995, classified as anadv, pronounced /ˈθɜːdli/. thirsty is at rank #10,623, tagged as anadj, pronounced /ˈθɝs.ti/.
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 37618, this pair ranks #293,018 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of thirdly vs thirsty
Shared letters: hirty. Private to "thirdly": dl. Private to "thirsty": s.
"thirdly" · 7 letters · shape CCVCCCV · "thirsty" · 7 letters · shape CCVCCCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "thirdly" for "thirsty" ever safe?
In ordinary English text, does "thirdly" or "thirsty" show up more?
After this comparison
Eye-level mix-up between "thirdly" and "thirsty" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "thirdly" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "thirsty" - compare definitions side by side with the headword page. Word entry
- This pair ranks #293,018 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "thirdly" and "thirsty" also get mixed up with nearby pairs, the highest-scored neighbour is "thickly vs thirdly". 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 #293,018 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.