Which to use
“then” is an adverb and “tuan” is a noun - they look or sound alike but fill different roles in a sentence.
- #91
- “then” frequency rank
- #43,435
- “tuan” frequency rank
- 43526
- confusion score
Side-by-Side Comparison
| Feature | then | tuan |
|---|---|---|
| Definition | At that time. | A brush-tailed phascogale (Phascogale tapoatafa), endemic to Australia. |
Letter map: then vs tuan
Shared letters muted; letters that set then and tuan apart highlighted. Shared run: 2. then (CCVC) and tuan (CVVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Part-of-speech tell for then / tuan
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: then is anadverb and tuananoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 43526, derived from the frequency rank of both members and their visual similarity.
then is recorded at frequency rank #91, classified as anadv, pronounced /ðɛn/. tuan is at rank #43,435, tagged as anoun.
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 43526, this pair ranks #239,200 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of then vs tuan
Shared letters: nt. Private to "then": eh. Private to "tuan": au.
"then" · 4 letters · shape CCVC · "tuan" · 4 letters · shape CVVC
Known mistypes of this pair
Frequently Asked Questions
Can "then" and "tuan" be used interchangeably?
Frequency check: "then" vs "tuan" - which ranks higher?
What to do next
You've compared "then" and "tuan". Here's where to go from here.
- Full dictionary entry for "then" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "tuan" - compare definitions side by side with the headword page. Word entry
- This pair ranks #239,200 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "then" and "tuan" also get mixed up with nearby pairs, the highest-scored neighbour is "tuan vs twang". 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 #239,200 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.