navsNPWhat's the difference?

Quick tell: na is a adverb, NP is a noun, so they fill different roles in a sentence.

Which to use

“na” is an adverb and “NP” is a noun - they look or sound alike but fill different roles in a sentence.

#3,512
“na” frequency rank
#13,570
“NP” frequency rank
17082
confusion score

Side-by-Side Comparison

Feature na NP
Definition Not. Initialism of notary public.

Letter map: na vs NP

Shared letters muted; letters that set na and NP apart highlighted. Shared run: 1.

2 ch
na
2 ch
NP

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: na is anadverb and NPanoun. On the page they differ by a single letter - a in “na” becomes p in “NP”. Our composite confusion score for this pair is 17082, derived from the frequency rank of both members and their visual similarity.

na is recorded at frequency rank #3,512, classified as anadv, pronounced /nɑː/. 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 17082, this pair ranks #453,741 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of na vs NP

Shared letters: n. Private to "na": a. Private to "NP": p.

"na" · 2 letters · shape CV  ·  "NP" · 2 letters · shape CC

Frequently Asked Questions

Can "na" and "NP" be used interchangeably?
No - they are not even the same part of speech. "na" is an adverb and "NP" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "na" or "NP"?
"na" is the more common of the two: it sits at frequency rank #3,512 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.

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

Source: FrequencyWords open word-frequency list