nobvsnumbTell them apart

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

Which to use

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

#44,373
“nob” frequency rank
#14,373
“numb” frequency rank
58746
confusion score

Side-by-Side Comparison

Feature nob numb
Definition The head. Physically unable to feel, not having the power of sensation.

Where the eye mixes nob and numb

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. nob runs 3 letters (CVC) against numb's 4 (CVCC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
nob
4 ch
numb

Look-alike desk: nob vs numb

These two trip readers on the page rather than in the ear: nob is /nɒb/ while numb is /nʌm/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 58746, derived from the frequency rank of both members and their visual similarity.

nob is recorded at frequency rank #44,373, classified as anoun, pronounced /nɒb/. 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 58746, this pair ranks #110,577 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of nob vs numb

Shared letters: bn. Private to "nob": o. Private to "numb": mu.

"nob" · 3 letters · shape CVC  ·  "numb" · 4 letters · shape CVCC

Known mistypes of this pair

  • numb ← nmub · nnumb · nubm · numbb · nummb · unmb

Frequently Asked Questions

Can "nob" and "numb" be used interchangeably?
No - they are not even the same part of speech. "nob" is a noun and "numb" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "nob" or "numb" show up more?
"numb" is the more common of the two: it sits at frequency rank #14,373 in our English list, against #44,373 for "nob". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "nob" 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 #110,577 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "nob" and "numb" also get mixed up with nearby pairs, the highest-scored neighbour is "nob vs NPL". 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 #110,577 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