metanovsMontañoWhich spelling fits?

Quick tell: metano is a noun, Montaño is a name, so they fill different roles in a sentence.

Which to use

“metano” is a noun and “Montaño” is a name - they look or sound alike but fill different roles in a sentence.

#27,688
“metano” frequency rank
#41,492
“Montaño” frequency rank
69180
confusion score

Side-by-Side Comparison

Feature metano Montaño
Definition Alcano, hidrocarburo saturado o parafina formado por un sólo átomo de carbono y cuatro átomos de hidrógeno. Su nombre sistemático (IUPAC) es carbano, y su fórmula química es CH₄ Apellido.

Where the eye mixes metano and Montaño

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. metano runs 6 letters (CVCVCV) against Montaño's 7 (CVCCVCV) - the length gap alone is often enough to separate them once you know to check it.

6 ch
metano
7 ch
Montaño

Visual trap between metano and Montaño

These two trip readers on the page rather than in the ear: metano is [meˈt̪ano] while Montaño is [mõn̪ˈt̪aɲo]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 69180, derived from the frequency rank of both members and their visual similarity.

metano is recorded at frequency rank #27,688, classified as anoun, pronounced [meˈt̪ano]. Montaño is at rank #41,492, tagged as aname, pronounced [mõn̪ˈt̪aɲo].

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 69180, this pair ranks #32,603 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of metano vs Montaño

Shared letters: amnot. Private to "metano": e. Private to "Montaño": ñ.

"metano" · 6 letters · shape CVCVCV  ·  "Montaño" · 7 letters · shape CVCCVCV

Known mistypes of this pair

  • metano ← emtano · meatno · metanno · metaon · metnao · mettano · mmetano · mteano

Frequently Asked Questions

Is swapping "metano" for "Montaño" ever safe?
No - they are not even the same part of speech. "metano" is a noun and "Montaño" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "metano" or "Montaño" show up more?
"metano" is the more common of the two: it sits at frequency rank #27,688 in our Spanish list, against #41,492 for "Montaño". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "metano" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Montaño" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #32,603 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "metano" and "Montaño" also get mixed up with nearby pairs, the highest-scored neighbour is "Montaño vs montas". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #32,603 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