nbspvsNSCWhich spelling fits?

Quick tell: nbsp is a noun, NSC is a name, so they fill different roles in a sentence.

Which to use

“nbsp” is a noun and “NSC” is a name - they look or sound alike but fill different roles in a sentence.

#25,856
“nbsp” frequency rank
#31,271
“NSC” frequency rank
57127
confusion score

Side-by-Side Comparison

Feature nbsp NSC
Definition Initialism of non-breaking space. Initialism of National Security Council.

Letter map: nbsp vs NSC

Shared letters muted; letters that set nbsp and NSC apart highlighted. Shared run: 2. nbsp runs 4 letters (CCCC) against NSC's 3 (CCC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
nbsp
3 ch
NSC

Grammar separator: nbsp vs NSC

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: nbsp is anoun and NSCaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 57127, derived from the frequency rank of both members and their visual similarity.

nbsp is recorded at frequency rank #25,856, classified as anoun. NSC is at rank #31,271, tagged as aname.

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 57127, this pair ranks #121,429 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of nbsp vs NSC

Shared letters: ns. Private to "nbsp": bp. Private to "NSC": c.

"nbsp" · 4 letters · shape CCCC  ·  "NSC" · 3 letters · shape CCC

Known mistypes of this pair

  • nbsp ← bnsp · nbbsp · nbps · nbspp · nbssp · nnbsp · nsbp

Frequently Asked Questions

Do "nbsp" and "NSC" mean the same thing in a sentence?
No - they are not even the same part of speech. "nbsp" is a noun and "NSC" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "nbsp" or "NSC" show up more?
"nbsp" is the more common of the two: it sits at frequency rank #25,856 in our English list, against #31,271 for "NSC". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "nbsp" and "NSC".

  • Full dictionary entry for "nbsp" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "NSC" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #121,429 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "nbsp" and "NSC" also get mixed up with nearby pairs, the highest-scored neighbour is "NPL vs NSC". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #121,429 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