Which to use
“Thi” is a name and “third” is an adjective - they look or sound alike but fill different roles in a sentence.
- #23,700
- “Thi” frequency rank
- #483
- “third” frequency rank
- 24183
- confusion score
Side-by-Side Comparison
| Feature | Thi | third |
|---|---|---|
| Definition | A surname from Vietnamese. | The ordinal form of the cardinal number three; Coming after the second. |
Letter map: Thi vs third
Shared letters muted; letters that set Thi and third apart highlighted. Shared run: 3.
Grammar separator: Thi vs third
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Thi is aname and thirdanadjective. On the page they differ by 2 extra letter(s) - “Thi” sits inside “third”. Our composite confusion score for this pair is 24183, derived from the frequency rank of both members and their visual similarity.
Thi is recorded at frequency rank #23,700, classified as aname. third is at rank #483, tagged as anadj, pronounced /θɜːd/.
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 24183, this pair ranks #403,882 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of Thi vs third
Shared letters: hit. Private to "Thi": -. Private to "third": dr.
"Thi" · 3 letters · shape CCV · "third" · 5 letters · shape CCVCC
Known mistypes of this pair
- third ← htird · thhird · thidr · thirdd · thirrd · thrid · tihrd · tthird
Frequently Asked Questions
Is swapping "Thi" for "third" ever safe?
Frequency check: "Thi" vs "third" - which ranks higher?
After this comparison
Done with this confusable. These links stay specific to "Thi" and "third".
- Full dictionary entry for "Thi" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "third" - compare definitions side by side with the headword page. Word entry
- This pair ranks #403,882 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "Thi" and "third" also get mixed up with nearby pairs, the highest-scored neighbour is "Taf vs Thi". 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 #403,882 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.