Which to use
“thinly” and “thirdly” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #20,513
- “thinly” frequency rank
- #26,995
- “thirdly” frequency rank
- 47508
- confusion score
Side-by-Side Comparison
| Feature | thinly | thirdly |
|---|---|---|
| Definition | In a thin, loose, or scattered manner; scantily; not thickly. | In the third place; third in a row. |
Where the eye mixes thinly and thirdly
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Why the eye confuses thinly with thirdly
A purely visual mix-up. thinly (/ˈθɪnli/) and thirdly (/ˈθɜːdli/) 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 1 letter(s) in length. Our composite confusion score for this pair is 47508, derived from the frequency rank of both members and their visual similarity.
thinly is recorded at frequency rank #20,513, classified as anadv, pronounced /ˈθɪnli/. thirdly is at rank #26,995, tagged as anadv, pronounced /ˈθɜːdli/.
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 47508, this pair ranks #201,772 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of thinly vs thirdly
Shared letters: hilty. Private to "thinly": n. Private to "thirdly": dr.
"thinly" · 6 letters · shape CCVCCV · "thirdly" · 7 letters · shape CCVCCCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "thinly" for "thirdly" ever safe?
Frequency check: "thinly" vs "thirdly" - which ranks higher?
After this comparison
Eye-level mix-up between "thinly" and "thirdly" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "thinly" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "thirdly" - compare definitions side by side with the headword page. Word entry
- This pair ranks #201,772 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "thinly" and "thirdly" 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 #201,772 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.