thenvstheyWhat's the difference?

Quick tell: then is a adverb, they is a pronoun, so they fill different roles in a sentence.

Which to use

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

#18,204
“then” frequency rank
#11,171
“they” frequency rank
29375
confusion score

Side-by-Side Comparison

Feature then they
Definition então, aí. daí pronome pessoal de terceira pessoa plural referente a um grupo de pessoas sem especificação de gênero; eles ou elas

Letter map: then vs they

Shared letters muted; letters that set then and they apart highlighted. Shared run: 3.

4 ch
then
4 ch
they

Part-of-speech tell for then / they

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: then is anadverb and theyapronoun. On the page they differ by a single letter - n in “then” becomes y in “they”. Our composite confusion score for this pair is 29375, derived from the frequency rank of both members and their visual similarity.

then is recorded at frequency rank #18,204, classified as anadv, pronounced /ˈðɛn/. they is at rank #11,171, tagged as apron.

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 29375, this pair ranks #39,280 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of then vs they

Shared letters: eht. Private to "then": n. Private to "they": y.

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

Known mistypes of this pair

  • thenhten · tehn · thenn · thhen · thne · tthen
  • theyhtey · tehy · theyy · thhey · thye · tthey

Frequently Asked Questions

Do "then" and "they" mean the same thing in a sentence?
No - they are not even the same part of speech. "then" is an adverb and "they" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "then" vs "they" - which ranks higher?
"they" is the more common of the two: it sits at frequency rank #11,171 in our Portuguese list, against #18,204 for "then". 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 "then" and "they".

  • Full dictionary entry for "then" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "they" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #39,280 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "then" and "they" also get mixed up with nearby pairs, the highest-scored neighbour is "then vs thorn". 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 #39,280 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list