NBvsNgWhich spelling fits?

Quick tell: NB is a phrase, Ng is a name, so they fill different roles in a sentence.

Which to use

“NB” is a phrase and “Ng” is a name - they look or sound alike but fill different roles in a sentence.

#17,908
“NB” frequency rank
#8,322
“Ng” frequency rank
26230
confusion score

Side-by-Side Comparison

Feature NB Ng
Definition Initialism of nota bene; used in written English to introduce something to be noted. A surname from Chinese.

Letter map: NB vs Ng

Shared letters muted; letters that set NB and Ng apart highlighted. Shared run: 1.

2 ch
NB
2 ch
Ng

Part-of-speech tell for NB / Ng

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: NB is aphrase and Nganame. On the page they differ by a single letter - b in “NB” becomes g in “Ng”. Our composite confusion score for this pair is 26230, derived from the frequency rank of both members and their visual similarity.

NB is recorded at frequency rank #17,908, classified as aphrase. Ng is at rank #8,322, tagged as aname, pronounced /əŋ/.

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 26230, this pair ranks #388,248 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of NB vs Ng

Shared letters: n. Private to "NB": b. Private to "Ng": g.

"NB" · 2 letters · shape CC  ·  "Ng" · 2 letters · shape CC

Frequently Asked Questions

Is swapping "NB" for "Ng" ever safe?
No - they are not even the same part of speech. "NB" is a phrase and "Ng" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "NB" vs "Ng" - which ranks higher?
"Ng" is the more common of the two: it sits at frequency rank #8,322 in our English list, against #17,908 for "NB". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "NB" vs "Ng" is on the table, pick a follow-up below.

  • Full dictionary entry for "NB" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Ng" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #388,248 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "NB" and "Ng" also get mixed up with nearby pairs, the highest-scored neighbour is "NB vs NPL". Nearby pair

Confusion rank #388,248 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