mmvsmobWhich spelling fits?

Which to use

“mm” and “mob” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#2,511
“mm” frequency rank
#44,868
“mob” frequency rank
47379
confusion score

Side-by-Side Comparison

Feature mm mob
Definition Abreviatura de milímetro. Turba.

Where the eye mixes mm and mob

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

2 ch
mm
3 ch
mob

Look-alike desk: mm vs mob

A purely visual mix-up. mm ([ˈm]) and mob (/mɒb/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 47379, derived from the frequency rank of both members and their visual similarity.

mm is recorded at frequency rank #2,511, classified as anoun, pronounced [ˈm]. mob is at rank #44,868, tagged as anoun, pronounced /mɒb/.

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 47379, this pair ranks #120,370 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mm vs mob

Shared letters: m. Private to "mm": -. Private to "mob": bo.

"mm" · 2 letters · shape CC  ·  "mob" · 3 letters · shape CVC

Frequently Asked Questions

Can "mm" and "mob" be used interchangeably?
No. They are said differently ([ˈm] versus /mɒb/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "mm" or "mob"?
"mm" is the more common of the two: it sits at frequency rank #2,511 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.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "mm" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mob" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #120,370 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "mm" and "mob" also get mixed up with nearby pairs, the highest-scored neighbour is "mob vs mur". Nearby pair

Confusion rank #120,370 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