thenvstunWhat's the difference?

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

Which to use

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

#25,065
“then” frequency rank
#34,821
“tun” frequency rank
59886
confusion score

Side-by-Side Comparison

Feature then tun
Definition Entonces. Pasar, (acaecer).

Where the eye mixes then and tun

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
then
3 ch
tun

Look-alike desk: then vs tun

These two trip readers on the page rather than in the ear: then is /ðɛn/ while tun is [ˈtuːn]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adverb vs verb), which is usually the fastest check. Our composite confusion score for this pair is 59886, derived from the frequency rank of both members and their visual similarity.

then is recorded at frequency rank #25,065, classified as anadv, pronounced /ðɛn/. tun is at rank #34,821, tagged as averb, pronounced [ˈtuːn].

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 59886, this pair ranks #60,958 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of then vs tun

Shared letters: nt. Private to "then": eh. Private to "tun": u.

"then" · 4 letters · shape CCVC  ·  "tun" · 3 letters · shape CVC

Known mistypes of this pair

  • thenhten · tehn · thenn · thhen · thne · tthen

Frequently Asked Questions

Do "then" and "tun" mean the same thing in a sentence?
No - they are not even the same part of speech. "then" is an adverb and "tun" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "then" or "tun" show up more?
"then" is the more common of the two: it sits at frequency rank #25,065 in our Spanish list, against #34,821 for "tun". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "then" and "tun" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "then" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tun" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #60,958 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "then" and "tun" also get mixed up with nearby pairs, the highest-scored neighbour is "tul vs tun". 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 #60,958 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list