tchvsthyTell them apart

Quick tell: tch is a intj, thy is a determiner, so they fill different roles in a sentence.

Which to use

“tch” is an intj and “thy” is a determiner - they look or sound alike but fill different roles in a sentence.

#45,118
“tch” frequency rank
#6,014
“thy” frequency rank
51132
confusion score

Side-by-Side Comparison

Feature tch thy
Definition a representation of the dental click used to show disapproval or disgust; tut, tsk Possessive form of thou: that which belongs to thee; which belongs to you (singular).

Letter map: tch vs thy

Shared letters muted; letters that set tch and thy apart highlighted. Shared run: 2.

3 ch
tch
3 ch
thy

Grammar separator: tch vs thy

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: tch is anintj and thyadeterminer. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 51132, derived from the frequency rank of both members and their visual similarity.

tch is recorded at frequency rank #45,118, classified as anintj. thy is at rank #6,014, tagged as adet, pronounced /ðaɪ/.

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 51132, this pair ranks #168,092 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of tch vs thy

Shared letters: ht. Private to "tch": c. Private to "thy": y.

"tch" · 3 letters · shape CCC  ·  "thy" · 3 letters · shape CCV

Frequently Asked Questions

Is swapping "tch" for "thy" ever safe?
No - they are not even the same part of speech. "tch" is an intj and "thy" a determiner, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "tch" or "thy"?
"thy" is the more common of the two: it sits at frequency rank #6,014 in our English list, against #45,118 for "tch". 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 "tch" and "thy".

  • Full dictionary entry for "tch" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "thy" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #168,092 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "tch" and "thy" also get mixed up with nearby pairs, the highest-scored neighbour is "Taf vs tch". Nearby pair

Confusion rank #168,092 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