NTSBvsnumbWhich spelling fits?

Quick tell: NTSB is a name, numb is an adjective, so they fill different roles in a sentence.

Which to use

“NTSB” is a name and “numb” is an adjective - they look or sound alike but fill different roles in a sentence.

#39,935
“NTSB” frequency rank
#14,373
“numb” frequency rank
54308
confusion score

Side-by-Side Comparison

Feature NTSB numb
Definition Initialism of National Transportation Safety Board. Physically unable to feel, not having the power of sensation.

Letter map: NTSB vs numb

Shared letters muted; letters that set NTSB and numb apart highlighted. Shared run: 2. NTSB (CCCC) and numb (CVCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
NTSB
4 ch
numb

Role in the sentence - NTSB and numb

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: NTSB is aname and numbanadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 54308, derived from the frequency rank of both members and their visual similarity.

NTSB is recorded at frequency rank #39,935, classified as aname. numb is at rank #14,373, tagged as anadj, pronounced /nʌm/.

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 54308, this pair ranks #142,080 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of NTSB vs numb

Shared letters: bn. Private to "NTSB": st. Private to "numb": mu.

"NTSB" · 4 letters · shape CCCC  ·  "numb" · 4 letters · shape CVCC

Known mistypes of this pair

  • NTSB ← nntsb · nstb · ntbs · ntsbb · ntssb · nttsb · tnsb
  • numb ← nmub · nnumb · nubm · numbb · nummb · unmb

Frequently Asked Questions

Do "NTSB" and "numb" mean the same thing in a sentence?
No - they are not even the same part of speech. "NTSB" is a name and "numb" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "NTSB" or "numb"?
"numb" is the more common of the two: it sits at frequency rank #14,373 in our English list, against #39,935 for "NTSB". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "NTSB" vs "numb" is on the table, pick a follow-up below.

  • Full dictionary entry for "NTSB" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "numb" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #142,080 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "NTSB" and "numb" also get mixed up with nearby pairs, the highest-scored neighbour is "Nasr vs NTSB". 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 #142,080 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