Which to use
“that” is a conjunction and “Thu” is a name - they look or sound alike but fill different roles in a sentence.
- #10
- “that” frequency rank
- #24,339
- “Thu” frequency rank
- 24349
- confusion score
Side-by-Side Comparison
| Feature | that | Thu |
|---|---|---|
| Definition | Introducing a clause that is the object of a verb, especially a reporting verb or verb expressing belief, knowledge, perception, etc. | A surname. |
Letter map: that vs Thu
Shared letters muted; letters that set that and Thu apart highlighted. Shared run: 2.
Grammar separator: that vs Thu
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: that is aconjunction and Thuaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 24349, derived from the frequency rank of both members and their visual similarity.
that is recorded at frequency rank #10, classified as aconj, pronounced /ðət/. Thu is at rank #24,339, tagged as aname.
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 24349, this pair ranks #402,610 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of that vs Thu
Shared letters: ht. Private to "that": a. Private to "Thu": u.
"that" · 4 letters · shape CCVC · "Thu" · 3 letters · shape CCV
Known mistypes of this pair
- that ← htat · taht · thatt · thhat · thta · tthat
Frequently Asked Questions
Can "that" and "Thu" be used interchangeably?
In ordinary English text, does "that" or "Thu" show up more?
What to do next
Done with this confusable. These links stay specific to "that" and "Thu".
- Full dictionary entry for "that" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Thu" - compare definitions side by side with the headword page. Word entry
- This pair ranks #402,610 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "that" and "Thu" also get mixed up with nearby pairs, the highest-scored neighbour is "Taf vs Thu". 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 #402,610 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.