sirenavssuenaTell them apart

Quick tell: sirena is a noun, suena is a verb, so they fill different roles in a sentence.

Which to use

“sirena” is a noun and “suena” is a verb - they look or sound alike but fill different roles in a sentence.

#14,712
“sirena” frequency rank
#1,458
“suena” frequency rank
16170
confusion score

Side-by-Side Comparison

Feature sirena suena
Definition Ser fabuloso, parte mujer y parte ave, que atraía a los marineros a la perdición con su canto. Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de sonar.

Where the eye mixes sirena and suena

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. sirena runs 6 letters (CVCVCV) against suena's 5 (CVVCV) - the length gap alone is often enough to separate them once you know to check it.

6 ch
sirena
5 ch
suena

Look-alike desk: sirena vs suena

These two trip readers on the page rather than in the ear: sirena is [siˈɾena] while suena is [ˈswena]. 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 verb), which is usually the fastest check. Our composite confusion score for this pair is 16170, derived from the frequency rank of both members and their visual similarity.

sirena is recorded at frequency rank #14,712, classified as anoun, pronounced [siˈɾena]. suena is at rank #1,458, tagged as averb, pronounced [ˈswena].

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 16170, this pair ranks #277,232 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of sirena vs suena

Shared letters: aens. Private to "sirena": ir. Private to "suena": u.

"sirena" · 6 letters · shape CVCVCV  ·  "suena" · 5 letters · shape CVVCV

Known mistypes of this pair

  • sirena ← cirena · isrena · sierna · sirean · sirenna · sirnea · sirrena · sriena
  • suena ← seuna · ssuena · suean · suenna · sunea · usena

Frequently Asked Questions

Do "sirena" and "suena" mean the same thing in a sentence?
No - they are not even the same part of speech. "sirena" is a noun and "suena" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "sirena" vs "suena" - which ranks higher?
"suena" is the more common of the two: it sits at frequency rank #1,458 in our Spanish list, against #14,712 for "sirena". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "sirena" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "suena" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #277,232 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "sirena" and "suena" also get mixed up with nearby pairs, the highest-scored neighbour is "sarna vs sirena". 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 #277,232 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