nuclearvsopenTell them apart

Which to use

“nuclear” and “open” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#37,705
“nuclear” frequency rank
#2,607
“open” frequency rank
40312
confusion score

Side-by-Side Comparison

Feature nuclear open
Definition nuklear, Nuklear- etwas ist nicht geschlossen

Letter map: nuclear vs open

Shared letters muted; letters that set nuclear and open apart highlighted. Shared run: 1.

7 ch
nuclear
4 ch
open

Corpus notes: nuclear and open

nuclear and open are indexed as a confusable German pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 3 letter(s) in length. Our composite confusion score for this pair is 40312, derived from the frequency rank of both members and their visual similarity.

nuclear is recorded at frequency rank #37,705, classified as anadj, pronounced […]. open is at rank #2,607, tagged as anadj, 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 40312, this pair ranks #1,512,082 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of nuclear vs open

Shared letters: en. Private to "nuclear": aclru. Private to "open": op.

"nuclear" · 7 letters · shape CVCCVVC  ·  "open" · 4 letters · shape VCVC

Known mistypes of this pair

  • nuclearnculear · nnuclear · nucclear · nucelar · nuclaer · nuclearr · nuclera · nucllear
  • openoepn · openn · opne · oppen · poen

Frequently Asked Questions

Is swapping "nuclear" for "open" ever safe?
No. They differ by 3 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "nuclear" vs "open" - which ranks higher?
"open" is the more common of the two: it sits at frequency rank #2,607 in our German list, against #37,705 for "nuclear". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "nuclear" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "open" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,512,082 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "nuclear" and "open" also get mixed up with nearby pairs, the highest-scored neighbour is "nuclear 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 #1,512,082 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