optvsOptikWhich spelling fits?

Quick tell: opt is a verb, Optik is a noun, so they fill different roles in a sentence.

Which to use

“opt” is a verb and “Optik” is a noun - they look or sound alike but fill different roles in a sentence.

#18,009
“opt” frequency rank
#9,785
“Optik” frequency rank
27794
confusion score

Side-by-Side Comparison

Feature opt Optik
Definition (to opt for something) sich für etwas entscheiden (optieren) Bereich der Physik, der sich mit der Ausbreitung des Lichts beschäftigt

Letter map: opt vs Optik

Shared letters muted; letters that set opt and Optik apart highlighted. Shared run: 3.

3 ch
opt
5 ch
Optik

Part-of-speech tell for opt / Optik

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: opt is averb and Optikanoun. On the page they differ by 2 extra letter(s) - “opt” sits inside “Optik”. Our composite confusion score for this pair is 27794, derived from the frequency rank of both members and their visual similarity.

opt is recorded at frequency rank #18,009, classified as averb, pronounced […]. Optik is at rank #9,785, tagged as anoun, pronounced [ˈɔptɪk].

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 27794, this pair ranks #1,795,786 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of opt vs Optik

Shared letters: opt. Private to "opt": -. Private to "Optik": ik.

"opt" · 3 letters · shape VCC  ·  "Optik" · 5 letters · shape VCCVC

Known mistypes of this pair

  • Optikopitk · opptik · optikk · optki · opttik · otpik · potik

Frequently Asked Questions

Can "opt" and "Optik" be used interchangeably?
No - they are not even the same part of speech. "opt" is a verb and "Optik" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "opt" or "Optik" show up more?
"Optik" is the more common of the two: it sits at frequency rank #9,785 in our German list, against #18,009 for "opt". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "opt" vs "Optik" is on the table, pick a follow-up below.

  • Full dictionary entry for "opt" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Optik" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,795,786 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "opt" and "Optik" also get mixed up with nearby pairs, the highest-scored neighbour is "opt vs puzzles". 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 #1,795,786 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