Which to use
“their” is an adjective and “then” is an adverb - they look or sound alike but fill different roles in a sentence.
- #19,269
- “their” frequency rank
- #25,065
- “then” frequency rank
- 44334
- confusion score
Side-by-Side Comparison
| Feature | their | then |
|---|---|---|
| Definition | Su, sus (de ellos o de ellas, o de una persona cuando no se conoce su sexo). | Entonces. |
Where the spellings diverge
Shared letters are muted; the letters that actually set their and then apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
their and then form a confusable pair in the Spanish index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 44334, derived from the frequency rank of both members and their visual similarity.
their is recorded at frequency rank #19,269, classified as anadj, pronounced /ðɛə(ɹ)/. then is at rank #25,065, 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 44334, this pair ranks #137,645 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Frequency comparison
Frequently Asked Questions
Can "their" and "then" be used interchangeably?
Remembering their vs then
The fastest way to pick the right one every time.
- Check the role first: if you need an adjective, it's “their”; for an adverb, it's “then”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “their” entry
- Browse more pairs most likely to be confused. Most confusable