mechavsmermaWhich spelling fits?

Which to use

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

#19,797
“mecha” frequency rank
#28,448
“merma” frequency rank
48245
confusion score

Side-by-Side Comparison

Feature mecha merma
Definition Cuerda preparada para arder de distintas maneras, usada en velas o explosivos. Acción o efecto de mermar.

Where the eye mixes mecha and merma

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
mecha
5 ch
merma

Look-alike desk: mecha vs merma

A purely visual mix-up. mecha ([ˈmet͡ʃa]) and merma ([ˈmeɾma]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 48245, derived from the frequency rank of both members and their visual similarity.

mecha is recorded at frequency rank #19,797, classified as anoun, pronounced [ˈmet͡ʃa]. merma is at rank #28,448, tagged as anoun, pronounced [ˈmeɾma].

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 48245, this pair ranks #115,530 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mecha vs merma

Shared letters: aem. Private to "mecha": ch. Private to "merma": r.

"mecha" · 5 letters · shape CVCCV  ·  "merma" · 5 letters · shape CVCCV

Known mistypes of this pair

  • mechaemcha · mceha · mecah · meccha · mechha · mehca · mmecha
  • mermaemrma · memra · meram · mermma · merrma · mmerma · mrema

Frequently Asked Questions

Can "mecha" and "merma" be used interchangeably?
No. They are said differently ([ˈmet͡ʃa] versus [ˈmeɾma]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "mecha" or "merma" show up more?
"mecha" is the more common of the two: it sits at frequency rank #19,797 in our Spanish list, against #28,448 for "merma". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "mecha" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "merma" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #115,530 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "mecha" and "merma" also get mixed up with nearby pairs, the highest-scored neighbour is "mepa vs merma". 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 #115,530 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