nmvsnoxWhich spelling fits?

Quick tell: nm is a abbrev, nox is a noun, so they fill different roles in a sentence.

Which to use

“nm” is an abbrev and “nox” is a noun - they look or sound alike but fill different roles in a sentence.

#11,940
“nm” frequency rank
#46,886
“nox” frequency rank
58826
confusion score

Side-by-Side Comparison

Feature nm nox
Definition Einheitensymbol für Nanometer. 1 nm = 10⁻⁹ m. die Nacht

Letter map: nm vs nox

Shared letters muted; letters that set nm and nox apart highlighted. Shared run: 1.

2 ch
nm
3 ch
nox

Part-of-speech tell for nm / nox

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: nm is anabbrev and noxanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 58826, derived from the frequency rank of both members and their visual similarity.

nm is recorded at frequency rank #11,940, classified as anabbrev. nox is at rank #46,886, tagged as anoun, pronounced [nɔks].

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 58826, this pair ranks #847,847 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of nm vs nox

Shared letters: n. Private to "nm": m. Private to "nox": ox.

"nm" · 2 letters · shape CC  ·  "nox" · 3 letters · shape CVC

Frequently Asked Questions

Can "nm" and "nox" be used interchangeably?
No - they are not even the same part of speech. "nm" is an abbrev and "nox" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "nm" or "nox" show up more?
"nm" is the more common of the two: it sits at frequency rank #11,940 in our German list, against #46,886 for "nox". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "nm" and "nox". Here's where to go from here.

  • Full dictionary entry for "nm" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "nox" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #847,847 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "nm" and "nox" also get mixed up with nearby pairs, the highest-scored neighbour is "node vs nox". Nearby pair

Confusion rank #847,847 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