ThivstiTell them apart

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

Which to use

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

#23,700
“Thi” frequency rank
#8,995
“ti” frequency rank
32695
confusion score

Side-by-Side Comparison

Feature Thi ti
Definition A surname from Vietnamese. A syllable used in solfège to represent the seventh note of a major scale.

Letter map: Thi vs ti

Shared letters muted; letters that set Thi and ti apart highlighted. Shared run: 2.

3 ch
Thi
2 ch
ti

Role in the sentence - Thi and ti

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Thi is aname and tianoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 32695, derived from the frequency rank of both members and their visual similarity.

Thi is recorded at frequency rank #23,700, classified as aname. ti is at rank #8,995, tagged as anoun, pronounced /tiː/.

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 32695, this pair ranks #335,681 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Thi vs ti

Shared letters: it. Private to "Thi": h. Private to "ti": -.

"Thi" · 3 letters · shape CCV  ·  "ti" · 2 letters · shape CV

Frequently Asked Questions

Can "Thi" and "ti" be used interchangeably?
No - they are not even the same part of speech. "Thi" is a name and "ti" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Thi" vs "ti" - which ranks higher?
"ti" is the more common of the two: it sits at frequency rank #8,995 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 "ti" 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 "ti" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #335,681 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Thi" and "ti" also get mixed up with nearby pairs, the highest-scored neighbour is "Taf vs Thi". Nearby pair

Confusion rank #335,681 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