RobbvsrobberConfusable pair

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

Which to use

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

#20,213
“Robb” frequency rank
#17,462
“robber” frequency rank
37675
confusion score

Side-by-Side Comparison

Feature Robb robber
Definition A surname originating as a patronymic. A person who robs.

Letter map: Robb vs robber

Shared letters muted; letters that set Robb and robber apart highlighted. Shared run: 4.

4 ch
Robb
6 ch
robber

Part-of-speech tell for Robb / robber

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Robb is aname and robberanoun. On the page they differ by 2 extra letter(s) - “Robb” sits inside “robber”. Our composite confusion score for this pair is 37675, derived from the frequency rank of both members and their visual similarity.

Robb is recorded at frequency rank #20,213, classified as aname. robber is at rank #17,462, tagged as anoun, pronounced /ˈɹɒb.ə(ɹ)/.

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 37675, this pair ranks #292,534 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Robb vs robber

Shared letters: bor. Private to "Robb": -. Private to "robber": e.

"Robb" · 4 letters · shape CVCC  ·  "robber" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • Robborbb · rbob · rrobb
  • robberorbber · rbober · robberr · robbre · robebr · rober · rrobber

Frequently Asked Questions

Is swapping "Robb" for "robber" ever safe?
No - they are not even the same part of speech. "Robb" is a name and "robber" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "Robb" or "robber" show up more?
"robber" is the more common of the two: it sits at frequency rank #17,462 in our English list, against #20,213 for "Robb". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "Robb" vs "robber" is on the table, pick a follow-up below.

  • Full dictionary entry for "Robb" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "robber" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #292,534 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Robb" and "robber" also get mixed up with nearby pairs, the highest-scored neighbour is "Robb vs rood". 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 #292,534 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