openvsprojectWhat's the difference?

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

Which to use

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

#2,607
“open” frequency rank
#10,153
“project” frequency rank
12760
confusion score

Side-by-Side Comparison

Feature open project
Definition etwas ist nicht geschlossen Projekt

Letter map: open vs project

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

4 ch
open
7 ch
project

Role in the sentence - open and project

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: open is anadjective and projectanoun. On the page they differ by 3 letter(s) in length. Our composite confusion score for this pair is 12760, derived from the frequency rank of both members and their visual similarity.

open is recorded at frequency rank #2,607, classified as anadj, pronounced […]. project is at rank #10,153, 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 12760, this pair ranks #1,962,210 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of open vs project

Shared letters: eop. Private to "open": n. Private to "project": cjrt.

"open" · 4 letters · shape VCVC  ·  "project" · 7 letters · shape CCVCVCC

Known mistypes of this pair

  • open ← oepn · openn · opne · oppen · poen
  • project ← porject · pproject · prjoect · proejct · projcet · projecct · projectt · projetc

Frequently Asked Questions

Can "open" and "project" be used interchangeably?
No - they are not even the same part of speech. "open" is an adjective and "project" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "open" or "project"?
"open" is the more common of the two: it sits at frequency rank #2,607 in our German list, against #10,153 for "project". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "open" and "project". Here's where to go from here.

  • Full dictionary entry for "open" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "project" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,962,210 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "open" and "project" also get mixed up with nearby pairs, the highest-scored neighbour is "project 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 #1,962,210 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