sarnavssirvaWhich spelling fits?

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

Which to use

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

#35,746
“sarna” frequency rank
#6,120
“sirva” frequency rank
41866
confusion score

Side-by-Side Comparison

Feature sarna sirva
Definition Enfermedad de la piel causada por el arador (Sarcoptes scabiei), un ácaro parásito, que penetra y progresa bajo la piel produciendo hinchazones y comezón. Primera persona del singular (yo) del presente de subjuntivo de servir.

Where the eye mixes sarna and sirva

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. sarna and sirva follow the identical consonant-vowel pattern (CVCCV). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
sarna
5 ch
sirva

Look-alike desk: sarna vs sirva

These two trip readers on the page rather than in the ear: sarna is [ˈsaɾna] while sirva is [ˈsiɾβ̞a]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 41866, derived from the frequency rank of both members and their visual similarity.

sarna is recorded at frequency rank #35,746, classified as anoun, pronounced [ˈsaɾna]. sirva is at rank #6,120, tagged as averb, pronounced [ˈsiɾβ̞a].

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 41866, this pair ranks #151,349 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sarna vs sirva

Shared letters: ars. Private to "sarna": n. Private to "sirva": iv.

"sarna" · 5 letters · shape CVCCV  ·  "sirva" · 5 letters · shape CVCCV

Known mistypes of this pair

  • sarna ← asrna · saran · sarnna · sarrna · srana · ssarna
  • sirva ← cirva · isrva · sirav · sirba · sirrva · sirvva · sivra · sriva

Frequently Asked Questions

Can "sarna" and "sirva" be used interchangeably?
No - they are not even the same part of speech. "sarna" is a noun and "sirva" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "sarna" vs "sirva" - which ranks higher?
"sirva" is the more common of the two: it sits at frequency rank #6,120 in our Spanish list, against #35,746 for "sarna". 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 "sarna" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sirva" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #151,349 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "sarna" and "sirva" also get mixed up with nearby pairs, the highest-scored neighbour is "sarna vs Syria". 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 #151,349 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