ThemavsthenWhich spelling fits?

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

Which to use

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

#388
“Thema” frequency rank
#17,149
“then” frequency rank
17537
confusion score

Side-by-Side Comparison

Feature Thema then
Definition gedanklicher Mittelpunkt Bezug zu einem im Text vorher genannten Zeitpunkt

Where the eye mixes Thema and then

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. Thema runs 5 letters (CCVCV) against then's 4 (CCVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
Thema
4 ch
then

Why the eye confuses Thema with then

These two trip readers on the page rather than in the ear: Thema is [ˈteːma] while then is [ðɛn]. 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 (noun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 17537, derived from the frequency rank of both members and their visual similarity.

Thema is recorded at frequency rank #388, classified as anoun, pronounced [ˈteːma]. then is at rank #17,149, 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 17537, this pair ranks #1,926,521 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Thema vs then

Shared letters: eht. Private to "Thema": am. Private to "then": n.

"Thema" · 5 letters · shape CCVCV  ·  "then" · 4 letters · shape CCVC

Known mistypes of this pair

  • Thema ← htema · tehma · theam · themma · thhema · thmea · tthema
  • then ← hten · tehn · thenn · thhen · thne · tthen

Frequently Asked Questions

Is swapping "Thema" for "then" ever safe?
No - they are not even the same part of speech. "Thema" is a noun and "then" an adverb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Thema" or "then"?
"Thema" is the more common of the two: it sits at frequency rank #388 in our German list, against #17,149 for "then". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "Thema" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "then" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,926,521 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Thema" and "then" also get mixed up with nearby pairs, the highest-scored neighbour is "then vs thy". 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 #1,926,521 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list