thayvsthyTell them apart

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

Which to use

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

#43,958
“thay” frequency rank
#6,014
“thy” frequency rank
49972
confusion score

Side-by-Side Comparison

Feature thay thy
Definition Pronunciation spelling of the. Possessive form of thou: that which belongs to thee; which belongs to you (singular).

Letter map: thay vs thy

Shared letters muted; letters that set thay and thy apart highlighted. Shared run: 3.

4 ch
thay
3 ch
thy

Grammar separator: thay vs thy

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: thay is anarticle and thyadeterminer. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 49972, derived from the frequency rank of both members and their visual similarity.

thay is recorded at frequency rank #43,958, classified as anarticle. 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 49972, this pair ranks #178,538 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of thay vs thy

Shared letters: hty. Private to "thay": a. Private to "thy": -.

"thay" · 4 letters · shape CCVV  ·  "thy" · 3 letters · shape CCV

Known mistypes of this pair

  • thayhtay · tahy · thayy · thhay · thya · tthay

Frequently Asked Questions

Is swapping "thay" for "thy" ever safe?
No - they are not even the same part of speech. "thay" is an article and "thy" a determiner, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "thay" or "thy" show up more?
"thy" is the more common of the two: it sits at frequency rank #6,014 in our English list, against #43,958 for "thay". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "thay" and "thy".

  • Full dictionary entry for "thay" 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 #178,538 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "thay" and "thy" also get mixed up with nearby pairs, the highest-scored neighbour is "thay vs Trav". 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 #178,538 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