Which to use
“that” is a conjunction and “TT” is a noun - they look or sound alike but fill different roles in a sentence.
- #10
- “that” frequency rank
- #12,880
- “TT” frequency rank
- 12890
- confusion score
Side-by-Side Comparison
| Feature | that | TT |
|---|---|---|
| Definition | Introducing a clause that is the object of a verb, especially a reporting verb or verb expressing belief, knowledge, perception, etc. | Initialism of tabletop. |
Letter map: that vs TT
Shared letters muted; letters that set that and TT apart highlighted. Shared run: 2.
Grammar separator: that vs TT
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: that is aconjunction and TTanoun. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 12890, derived from the frequency rank of both members and their visual similarity.
that is recorded at frequency rank #10, classified as aconj, pronounced /ðət/. TT is at rank #12,880, tagged as anoun.
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 12890, this pair ranks #478,963 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of that vs TT
Shared letters: t. Private to "that": ah. Private to "TT": -.
"that" · 4 letters · shape CCVC · "TT" · 2 letters · shape CC
Known mistypes of this pair
- that ← htat · taht · thatt · thhat · thta · tthat
Frequently Asked Questions
Do "that" and "TT" mean the same thing in a sentence?
In ordinary English text, does "that" or "TT" show up more?
What to do next
You've compared "that" and "TT". Here's where to go from here.
- Full dictionary entry for "that" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "TT" - compare definitions side by side with the headword page. Word entry
- This pair ranks #478,963 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "that" and "TT" also get mixed up with nearby pairs, the highest-scored neighbour is "TT vs tuft". 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 #478,963 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.