thou vs THT, What's the Difference?

Which to use

“thou” is a pronoun and “THT” is a noun - they look or sound alike but fill different roles in a sentence.

#5,558
“thou” frequency rank: #42,949
“THT” frequency rank: 48507
confusion score

Side-by-Side Comparison

Feature	thou	THT
Definition	Nominative singular of ye (“you”).	Initialism of through-hole technology.

Letter map: thou vs THT

Shared letters muted; letters that set thou and THT apart highlighted. Shared run: 2.

4 ch

thou

3 ch

THT

Role in the sentence - thou and THT

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: thou is apronoun and THTanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 48507, derived from the frequency rank of both members and their visual similarity.

thou is recorded at frequency rank #5,558, classified as apron, pronounced /ðaʊ/. THT is at rank #42,949, 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 48507, this pair ranks #192,411 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of thou vs THT

Shared letters: ht. Private to "thou": ou. Private to "THT": -.

"thou" · 4 letters · shape CCVV · "THT" · 3 letters · shape CCC

Known mistypes of this pair

thou ← htou · thhou · thuo · tohu · tthou

Frequently Asked Questions

Can "thou" and "THT" be used interchangeably?

No - they are not even the same part of speech. "thou" is a pronoun and "THT" a noun, so a sentence built for one is usually ungrammatical with the other.

In ordinary English text, does "thou" or "THT" show up more?

"thou" is the more common of the two: it sits at frequency rank #5,558 in our English list, against #42,949 for "THT". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "thou" and "THT".

Full dictionary entry for "thou" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "THT" - compare definitions side by side with the headword page. Word entry
This pair ranks #192,411 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"thou" and "THT" also get mixed up with nearby pairs, the highest-scored neighbour is "THT 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 #192,411 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.