thatvsthayTell them apart

Quick tell: that is a conjunction, thay is an article, so they fill different roles in a sentence.

Which to use

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

#10
“that” frequency rank
#43,958
“thay” frequency rank
43968
confusion score

Side-by-Side Comparison

Feature that thay
Definition Introducing a clause that is the object of a verb, especially a reporting verb or verb expressing belief, knowledge, perception, etc. Pronunciation spelling of the.

Letter map: that vs thay

Shared letters muted; letters that set that and thay apart highlighted. Shared run: 3. that (CCVC) and thay (CCVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
that
4 ch
thay

Part-of-speech tell for that / thay

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: that is aconjunction and thayanarticle. On the page they differ by a single letter - t in “that” becomes y in “thay”. Our composite confusion score for this pair is 43968, derived from the frequency rank of both members and their visual similarity.

that is recorded at frequency rank #10, classified as aconj, pronounced /ðət/. thay is at rank #43,958, tagged as anarticle.

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 43968, this pair ranks #234,956 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of that vs thay

Shared letters: aht. Private to "that": -. Private to "thay": y.

"that" · 4 letters · shape CCVC  ·  "thay" · 4 letters · shape CCVV

Known mistypes of this pair

  • that ← htat · taht · thatt · thhat · thta · tthat
  • thay ← htay · tahy · thayy · thhay · thya · tthay

Frequently Asked Questions

Do "that" and "thay" mean the same thing in a sentence?
No - they are not even the same part of speech. "that" is a conjunction and "thay" an article, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "that" or "thay"?
"that" is the more common of the two: it sits at frequency rank #10 in our English list, against #43,958 for "thay". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

You've compared "that" and "thay". Here's where to go from here.

  • Full dictionary entry for "that" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "thay" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #234,956 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "that" and "thay" 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 #234,956 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