NICvsnotTell them apart

Quick tell: NIC is a noun, not is an adverb, so they fill different roles in a sentence.

Which to use

“NIC” is a noun and “not” is an adverb - they look or sound alike but fill different roles in a sentence.

#17,191
“NIC” frequency rank
#23
“not” frequency rank
17214
confusion score

Side-by-Side Comparison

Feature NIC not
Definition Acronym of network interface card or network interface controller, used to interface a computer to a network. Negates the meaning of the modified verb.

Letter map: NIC vs not

Shared letters muted; letters that set NIC and not apart highlighted. Shared run: 1.

3 ch
NIC
3 ch
not

Role in the sentence - NIC and not

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: NIC is anoun and notanadverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 17214, derived from the frequency rank of both members and their visual similarity.

NIC is recorded at frequency rank #17,191, classified as anoun. not is at rank #23, tagged as anadv, pronounced /nɒt/.

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 17214, this pair ranks #452,876 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of NIC vs not

Shared letters: n. Private to "NIC": ci. Private to "not": ot.

"NIC" · 3 letters · shape CVC  ·  "not" · 3 letters · shape CVC

Frequently Asked Questions

Can "NIC" and "not" be used interchangeably?
No - they are not even the same part of speech. "NIC" is a noun and "not" an adverb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "NIC" vs "not" - which ranks higher?
"not" is the more common of the two: it sits at frequency rank #23 in our English list, against #17,191 for "NIC". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Done with this confusable. These links stay specific to "NIC" and "not".

  • Full dictionary entry for "NIC" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "not" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #452,876 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "NIC" and "not" also get mixed up with nearby pairs, the highest-scored neighbour is "NIC vs NPL". Nearby pair

Confusion rank #452,876 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