openvspurposeTell them apart

Quick tell: open is a adjective, purpose is a noun, so they fill different roles in a sentence.

Which to use

“open” is an adjective and “purpose” is a noun - they look or sound alike but fill different roles in a sentence.

#2,607
“open” frequency rank
#49,985
“purpose” frequency rank
52592
confusion score

Side-by-Side Comparison

Feature open purpose
Definition etwas ist nicht geschlossen Absicht, Ziel, Zweck, Vorsatz

Letter map: open vs purpose

Shared letters muted; letters that set open and purpose apart highlighted. Shared run: 2. open runs 4 letters (VCVC) against purpose's 7 (CVCCVCV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
open
7 ch
purpose

Part-of-speech tell for open / purpose

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: open is anadjective and purposeanoun. On the page they differ by 3 letter(s) in length. Our composite confusion score for this pair is 52592, derived from the frequency rank of both members and their visual similarity.

open is recorded at frequency rank #2,607, classified as anadj, pronounced […]. purpose is at rank #49,985, tagged as anoun, pronounced […].

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 52592, this pair ranks #1,090,782 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of open vs purpose

Shared letters: eop. Private to "open": n. Private to "purpose": rsu.

"open" · 4 letters · shape VCVC  ·  "purpose" · 7 letters · shape CVCCVCV

Known mistypes of this pair

  • open ← oepn · openn · opne · oppen · poen
  • purpose ← ppurpose · prupose · puprose · puropse · purpoes · purposse · purppose · purpsoe

Frequently Asked Questions

Is swapping "open" for "purpose" ever safe?
No - they are not even the same part of speech. "open" is an adjective and "purpose" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "open" or "purpose" show up more?
"open" is the more common of the two: it sits at frequency rank #2,607 in our German list, against #49,985 for "purpose". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "open" and "purpose".

  • Full dictionary entry for "open" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "purpose" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,090,782 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "open" and "purpose" also get mixed up with nearby pairs, the highest-scored neighbour is "purpose 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 #1,090,782 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