ThivsthighTell them apart

Quick tell: Thi is a name, thigh is a noun, so they fill different roles in a sentence.

Which to use

“Thi” is a name and “thigh” is a noun - they look or sound alike but fill different roles in a sentence.

#23,700
“Thi” frequency rank
#10,781
“thigh” frequency rank
34481
confusion score

Side-by-Side Comparison

Feature Thi thigh
Definition A surname from Vietnamese. The upper leg of a human, between the hip and the knee.

Letter map: Thi vs thigh

Shared letters muted; letters that set Thi and thigh apart highlighted. Shared run: 3. Thi runs 3 letters (CCV) against thigh's 5 (CCVCC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
Thi
5 ch
thigh

Role in the sentence - Thi and thigh

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Thi is aname and thighanoun. On the page they differ by 2 extra letter(s) - “Thi” sits inside “thigh”. Our composite confusion score for this pair is 34481, derived from the frequency rank of both members and their visual similarity.

Thi is recorded at frequency rank #23,700, classified as aname. thigh is at rank #10,781, tagged as anoun, pronounced /θaɪ/.

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 34481, this pair ranks #320,414 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Thi vs thigh

Shared letters: hit. Private to "Thi": -. Private to "thigh": g.

"Thi" · 3 letters · shape CCV  ·  "thigh" · 5 letters · shape CCVCC

Known mistypes of this pair

  • thigh ← htigh · thgih · thhigh · thiggh · thighh · thihg · tihgh · tthigh

Frequently Asked Questions

Is swapping "Thi" for "thigh" ever safe?
No - they are not even the same part of speech. "Thi" is a name and "thigh" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Thi" vs "thigh" - which ranks higher?
"thigh" is the more common of the two: it sits at frequency rank #10,781 in our English list, against #23,700 for "Thi". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "Thi" vs "thigh" is on the table, pick a follow-up below.

  • Full dictionary entry for "Thi" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "thigh" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #320,414 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Thi" and "thigh" 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 #320,414 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list