thayvsthisTell them apart

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

Which to use

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

#43,958
“thay” frequency rank
#15
“this” frequency rank
43973
confusion score

Side-by-Side Comparison

Feature thay this
Definition Pronunciation spelling of the. The (thing) here (used in indicating something or someone nearby).

Letter map: thay vs this

Shared letters muted; letters that set thay and this apart highlighted. Shared run: 2.

4 ch
thay
4 ch
this

Grammar separator: thay vs this

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: thay is anarticle and thisadeterminer. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 43973, derived from the frequency rank of both members and their visual similarity.

thay is recorded at frequency rank #43,958, classified as anarticle. this is at rank #15, tagged as adet, pronounced /ðɪs/.

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 43973, this pair ranks #234,900 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of thay vs this

Shared letters: ht. Private to "thay": ay. Private to "this": is.

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

Known mistypes of this pair

  • thayhtay · tahy · thayy · thhay · thya · tthay
  • thishtis · thhis · thiss · thsi · tihs · tthis

Frequently Asked Questions

Can "thay" and "this" be used interchangeably?
No - they are not even the same part of speech. "thay" is an article and "this" a determiner, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "thay" or "this" show up more?
"this" is the more common of the two: it sits at frequency rank #15 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.

Useful next steps

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

  • Full dictionary entry for "thay" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "this" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #234,900 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "thay" and "this" 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 #234,900 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