thay vs then, What's the Difference?

Which to use

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

#43,958
“thay” frequency rank: #91
“then” frequency rank: 44049
confusion score

Side-by-Side Comparison

Feature	thay	then
Definition	Pronunciation spelling of the.	At that time.

Letter map: thay vs then

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

4 ch

thay

4 ch

then

Role in the sentence - thay and then

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: thay is anarticle and thenanadverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 44049, derived from the frequency rank of both members and their visual similarity.

thay is recorded at frequency rank #43,958, classified as anarticle. then is at rank #91, tagged as anadv, pronounced /ðɛn/.

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 44049, this pair ranks #234,177 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of thay vs then

Shared letters: ht. Private to "thay": ay. Private to "then": en.

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

Known mistypes of this pair

thay ← htay · tahy · thayy · thhay · thya · tthay
then ← hten · tehn · thenn · thhen · thne · tthen

Frequently Asked Questions

Can "thay" and "then" be used interchangeably?

No - they are not even the same part of speech. "thay" is an article and "then" an adverb, so a sentence built for one is usually ungrammatical with the other.

In ordinary English text, does "thay" or "then" show up more?

"then" is the more common of the two: it sits at frequency rank #91 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

Pair "thay" vs "then" is on the table, pick a follow-up below.

Full dictionary entry for "thay" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "then" - compare definitions side by side with the headword page. Word entry
This pair ranks #234,177 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"thay" and "then" 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 #234,177 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.