madvsmesTell them apart

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

Which to use

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

#14,642
“mad” frequency rank
#403
“mes” frequency rank
15045
confusion score

Side-by-Side Comparison

Feature mad mes
Definition Grafía alternativa de mat. Cada una de las doce partes, de duración variable según el sistema pero similar al ciclo lunar, en que se divide el año.

Where the eye mixes mad and mes

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

3 ch
mad
3 ch
mes

Look-alike desk: mad vs mes

These two trip readers on the page rather than in the ear: mad is /ˈmɑːt/ while mes is [ˈmes]. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 15045, 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/. mes is at rank #403, tagged as anoun, pronounced [ˈmes].

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 15045, this pair ranks #281,708 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of mad vs mes

Shared letters: m. Private to "mad": ad. Private to "mes": es.

"mad" · 3 letters · shape CVC  ·  "mes" · 3 letters · shape CVC

Frequently Asked Questions

Can "mad" and "mes" be used interchangeably?
No - they are not even the same part of speech. "mad" is an adjective and "mes" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "mad" vs "mes" - which ranks higher?
"mes" is the more common of the two: it sits at frequency rank #403 in our Spanish list, against #14,642 for "mad". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "mad" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mes" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #281,708 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "mad" and "mes" also get mixed up with nearby pairs, the highest-scored neighbour is "mad vs mur". Nearby pair

Confusion rank #281,708 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