norvsNPWhich spelling fits?

Quick tell: nor is a conjunction, NP is a noun, so they fill different roles in a sentence.

Which to use

“nor” is a conjunction and “NP” is a noun - they look or sound alike but fill different roles in a sentence.

#1,732
“nor” frequency rank
#13,570
“NP” frequency rank
15302
confusion score

Side-by-Side Comparison

Feature nor NP
Definition And... not (introducing a negative statement, without necessarily following one). Initialism of notary public.

Letter map: nor vs NP

Shared letters muted; letters that set nor and NP apart highlighted. Shared run: 1.

3 ch
nor
2 ch
NP

Part-of-speech tell for nor / NP

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: nor is aconjunction and NPanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 15302, derived from the frequency rank of both members and their visual similarity.

nor is recorded at frequency rank #1,732, classified as aconj, pronounced /nɔː/. NP is at rank #13,570, tagged as anoun.

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 15302, this pair ranks #464,855 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of nor vs NP

Shared letters: n. Private to "nor": or. Private to "NP": p.

"nor" · 3 letters · shape CVC  ·  "NP" · 2 letters · shape CC

Frequently Asked Questions

Is swapping "nor" for "NP" ever safe?
No - they are not even the same part of speech. "nor" is a conjunction and "NP" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "nor" or "NP"?
"nor" is the more common of the two: it sits at frequency rank #1,732 in our English list, against #13,570 for "NP". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "nor" and "NP".

  • Full dictionary entry for "nor" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "NP" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #464,855 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "nor" and "NP" also get mixed up with nearby pairs, the highest-scored neighbour is "NP vs NPL". Nearby pair

Confusion rank #464,855 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list