sacravssarnaWhich spelling fits?

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

Which to use

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

#30,242
“sacra” frequency rank
#35,746
“sarna” frequency rank
65988
confusion score

Side-by-Side Comparison

Feature sacra sarna
Definition Forma del femenino singular de sacro. Enfermedad de la piel causada por el arador (Sarcoptes scabiei), un ácaro parásito, que penetra y progresa bajo la piel produciendo hinchazones y comezón.

Where the eye mixes sacra and sarna

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. sacra and sarna follow the identical consonant-vowel pattern (CVCCV). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
sacra
5 ch
sarna

Look-alike desk: sacra vs sarna

These two trip readers on the page rather than in the ear: sacra is [ˈsakɾa] while sarna is [ˈsaɾna]. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 65988, derived from the frequency rank of both members and their visual similarity.

sacra is recorded at frequency rank #30,242, classified as anadj, pronounced [ˈsakɾa]. sarna is at rank #35,746, tagged as anoun, pronounced [ˈsaɾna].

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 65988, this pair ranks #41,064 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of sacra vs sarna

Shared letters: ars. Private to "sacra": c. Private to "sarna": n.

"sacra" · 5 letters · shape CVCCV  ·  "sarna" · 5 letters · shape CVCCV

Known mistypes of this pair

  • sacra ← ascra · saccra · sacrra · sarca · scara · ssacra
  • sarna ← asrna · saran · sarnna · sarrna · srana · ssarna

Frequently Asked Questions

Is swapping "sacra" for "sarna" ever safe?
No - they are not even the same part of speech. "sacra" is an adjective and "sarna" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "sacra" or "sarna" show up more?
"sacra" is the more common of the two: it sits at frequency rank #30,242 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 "sacra" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sarna" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #41,064 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "sacra" and "sarna" 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 #41,064 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