thenvstunWhat's the difference?

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

Which to use

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

#91
“then” frequency rank
#30,265
“tun” frequency rank
30356
confusion score

Side-by-Side Comparison

Feature then tun
Definition At that time. A large cask; an oblong vessel bulging in the middle, like a pipe or puncheon, and girt with hoops; a wine cask. (See a diagram comparing cask sizes.)

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

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: then is /ðɛn/ while tun is /tʌn/. 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 noun), which is usually the fastest check. Our composite confusion score for this pair is 30356, derived from the frequency rank of both members and their visual similarity.

then is recorded at frequency rank #91, classified as anadv, pronounced /ðɛn/. tun is at rank #30,265, tagged as anoun, pronounced /tʌn/.

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 30356, this pair ranks #355,213 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

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

Can "then" and "tun" be used interchangeably?
No - they are not even the same part of speech. "then" is an adverb and "tun" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "then" or "tun"?
"then" is the more common of the two: it sits at frequency rank #91 in our English list, against #30,265 for "tun". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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

Source: FrequencyWords open word-frequency list