madvsmbWhich spelling fits?

Quick tell: mad is a adjective, mb is a character, so they fill different roles in a sentence.

Which to use

“mad” is an adjective and “mb” is a character - they look or sound alike but fill different roles in a sentence.

#14,642
“mad” frequency rank
#11,088
“mb” frequency rank
25730
confusion score

Side-by-Side Comparison

Feature mad mb
Definition Grafía alternativa de mat. Decimoquinta letra del achegety o alfabeto guaraní.

Where the eye mixes mad and mb

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
mad
2 ch
mb

Visual trap between mad and mb

These two trip readers on the page rather than in the ear: mad is /ˈmɑːt/ while mb is /ˈᵐbe/. 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 (adjective vs character), which is usually the fastest check. Our composite confusion score for this pair is 25730, derived from the frequency rank of both members and their visual similarity.

mad is recorded at frequency rank #14,642, classified as anadj, pronounced /ˈmɑːt/. mb is at rank #11,088, tagged as acharacter, pronounced /ˈᵐbe/.

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 25730, this pair ranks #235,075 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mad vs mb

Shared letters: m. Private to "mad": ad. Private to "mb": b.

"mad" · 3 letters · shape CVC  ·  "mb" · 2 letters · shape CC

Frequently Asked Questions

Do "mad" and "mb" mean the same thing in a sentence?
No - they are not even the same part of speech. "mad" is an adjective and "mb" a character, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "mad" or "mb" show up more?
"mb" is the more common of the two: it sits at frequency rank #11,088 in our Spanish list, against #14,642 for "mad". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "mad" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mb" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #235,075 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "mad" and "mb" also get mixed up with nearby pairs, the highest-scored neighbour is "mad vs mur". Nearby pair

Confusion rank #235,075 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list