montañasvsmontañésWhat's the difference?

Quick tell: montañas is a noun, montañés is an adjective, so they fill different roles in a sentence.

Which to use

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

#3,270
“montañas” frequency rank
#40,406
“montañés” frequency rank
43676
confusion score

Side-by-Side Comparison

Feature montañas montañés
Definition Forma del plural de montaña. Que pertenece o concierne a la montaña.

Where the eye mixes montañas and montañés

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. montañas and montañés follow the identical consonant-vowel pattern (CVCCVCVC). Same shape at a glance is often the real trap, independent of shared letters.

8 ch
montañas
8 ch
montañés

Why the eye confuses montañas with montañés

These two trip readers on the page rather than in the ear: montañas is [mõn̪ˈt̪aɲas] while montañés is [mõn̪t̪aˈɲes]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - a in “montañas” becomes é in “montañés”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 43676, derived from the frequency rank of both members and their visual similarity.

montañas is recorded at frequency rank #3,270, classified as anoun, pronounced [mõn̪ˈt̪aɲas]. montañés is at rank #40,406, tagged as anadj, pronounced [mõn̪t̪aˈɲes].

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 43676, this pair ranks #141,323 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of montañas vs montañés

Shared letters: amnostñ. Private to "montañas": -. Private to "montañés": é.

"montañas" · 8 letters · shape CVCCVCVC  ·  "montañés" · 8 letters · shape CVCCVCVC

Frequently Asked Questions

Is swapping "montañas" for "montañés" ever safe?
No - they are not even the same part of speech. "montañas" is a noun and "montañés" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "montañas" vs "montañés" - which ranks higher?
"montañas" is the more common of the two: it sits at frequency rank #3,270 in our Spanish list, against #40,406 for "montañés". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Eye-level mix-up between "montañas" and "montañés" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "montañas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "montañés" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #141,323 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "montañas" and "montañés" also get mixed up with nearby pairs, the highest-scored neighbour is "montañés vs montas". Nearby pair

Confusion rank #141,323 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