Which to use
“montañas” is a noun and “montañosas” is an adjective - they look or sound alike but fill different roles in a sentence.
- #3,270
- “montañas” frequency rank
- #34,221
- “montañosas” frequency rank
- 37491
- confusion score
Side-by-Side Comparison
| Feature | montañas | montañosas |
|---|---|---|
| Definition | Forma del plural de montaña. | Forma del femenino plural de montañoso. |
Where the eye mixes montañas and montañosas
Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. montañas runs 8 letters (CVCCVCVC) against montañosas's 10 (CVCCVCVCVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between montañas and montañosas
These two trip readers on the page rather than in the ear: montañas is [mõn̪ˈt̪aɲas] while montañosas is [mõn̪t̪aˈɲosas]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 37491, 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]. montañosas is at rank #34,221, tagged as anadj, pronounced [mõn̪t̪aˈɲosas].
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 37491, this pair ranks #175,024 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of montañas vs montañosas
Shared letters: amnostñ. Private to "montañas": -. Private to "montañosas": -.
"montañas" · 8 letters · shape CVCCVCVC · "montañosas" · 10 letters · shape CVCCVCVCVC
Frequently Asked Questions
Is swapping "montañas" for "montañosas" ever safe?
Frequency check: "montañas" vs "montañosas" - which ranks higher?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "montañas" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "montañosas" - compare definitions side by side with the headword page. Word entry
- This pair ranks #175,024 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "montañas" and "montañosas" also get mixed up with nearby pairs, the highest-scored neighbour is "montañosas vs montañoso". Nearby pair
Confusion rank #175,024 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.