medusavsmedusasWhat's the difference?

Which to use

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

#28,837
“medusa” frequency rank
#46,054
“medusas” frequency rank
74891
confusion score

Side-by-Side Comparison

Feature medusa medusas
Definition Organismo clasificados en el filo Cnidaria, pelágicos, de cuerpo gelatinoso, con forma de campana de la que cuelga un manubrio tubular, con la boca en su extremo inferior, a veces prolongado por largos tentáculos cargados con células urticantes llamados cnidoblastos. Forma del plural de medusa.

Where the eye mixes medusa and medusas

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

6 ch
medusa
7 ch
medusas

Why the eye confuses medusa with medusas

A purely visual mix-up. medusa ([meˈð̞usa]) and medusas ([meˈð̞usas]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 extra letter(s) - “medusa” sits inside “medusas”. Our composite confusion score for this pair is 74891, derived from the frequency rank of both members and their visual similarity.

medusa is recorded at frequency rank #28,837, classified as anoun, pronounced [meˈð̞usa]. medusas is at rank #46,054, tagged as anoun, pronounced [meˈð̞usas].

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 74891, this pair ranks #20,548 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of medusa vs medusas

Shared letters: ademsu. Private to "medusa": -. Private to "medusas": -.

"medusa" · 6 letters · shape CVCVCV  ·  "medusas" · 7 letters · shape CVCVCVC

Known mistypes of this pair

  • medusaemdusa · mdeusa · meddusa · medsua · meduas · medussa · meudsa · mmedusa
  • medusasemdusas · mdeusas · meddusas · medsuas · meduass · medusass · medussas · meudsas

Frequently Asked Questions

Is swapping "medusa" for "medusas" ever safe?
No. They are said differently ([meˈð̞usa] versus [meˈð̞usas]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "medusa" or "medusas"?
"medusa" is the more common of the two: it sits at frequency rank #28,837 in our Spanish list, against #46,054 for "medusas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "medusa" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "medusas" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #20,548 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "medusa" and "medusas" also get mixed up with nearby pairs, the highest-scored neighbour is "medusas vs menudas". 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 #20,548 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