mobvsmuyTell them apart

Quick tell: mob is a noun, muy is an adverb, so they fill different roles in a sentence.

Which to use

“mob” is a noun and “muy” is an adverb - they look or sound alike but fill different roles in a sentence.

#44,868
“mob” frequency rank
#46
“muy” frequency rank
44914
confusion score

Side-by-Side Comparison

Feature mob muy
Definition Turba. Expresa grado intenso, extenso o de abundancia de la característica del adjetivo o adverbio al que precede y es caracterizado como un adverbio de cantidad o modo..

Where the eye mixes mob and muy

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

3 ch
mob
3 ch
muy

Visual trap between mob and muy

These two trip readers on the page rather than in the ear: mob is /mɒb/ while muy is [ˈmuj]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 44914, derived from the frequency rank of both members and their visual similarity.

mob is recorded at frequency rank #44,868, classified as anoun, pronounced /mɒb/. muy is at rank #46, tagged as anadv, pronounced [ˈmuj].

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 44914, this pair ranks #134,397 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mob vs muy

Shared letters: m. Private to "mob": bo. Private to "muy": uy.

"mob" · 3 letters · shape CVC  ·  "muy" · 3 letters · shape CVV

Frequently Asked Questions

Can "mob" and "muy" be used interchangeably?
No - they are not even the same part of speech. "mob" is a noun and "muy" an adverb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "mob" or "muy" show up more?
"muy" is the more common of the two: it sits at frequency rank #46 in our Spanish list, against #44,868 for "mob". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "mob" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "muy" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #134,397 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "mob" and "muy" also get mixed up with nearby pairs, the highest-scored neighbour is "mob vs mur". Nearby pair

Confusion rank #134,397 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