then vs Thu, What's the Difference?

Which to use

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

#91
“then” frequency rank: #24,339
“Thu” frequency rank: 24430
confusion score

Side-by-Side Comparison

Feature	then	Thu
Definition	At that time.	A surname.

Letter map: then vs Thu

Shared letters muted; letters that set then and Thu apart highlighted. Shared run: 2.

4 ch

then

3 ch

Thu

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: then is anadverb and Thuaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 24430, derived from the frequency rank of both members and their visual similarity.

then is recorded at frequency rank #91, classified as anadv, pronounced /ðɛn/. Thu is at rank #24,339, tagged as aname.

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 24430, this pair ranks #402,023 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of then vs Thu

Shared letters: ht. Private to "then": en. Private to "Thu": u.

"then" · 4 letters · shape CCVC · "Thu" · 3 letters · shape CCV

Known mistypes of this pair

then ← hten · tehn · thenn · thhen · thne · tthen

Frequently Asked Questions

Can "then" and "Thu" be used interchangeably?

No - they are not even the same part of speech. "then" is an adverb and "Thu" a name, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "then" or "Thu"?

"then" is the more common of the two: it sits at frequency rank #91 in our English list, against #24,339 for "Thu". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.