ilícitasvsilícitosTell them apart

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

Which to use

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

#29,253
“ilícitas” frequency rank
#24,183
“ilícitos” frequency rank
53436
confusion score

Side-by-Side Comparison

Feature ilícitas ilícitos
Definition Forma del femenino plural de ilícito. Forma del plural de ilícito.

Where the eye mixes ilícitas and ilícitos

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. ilícitas and ilícitos follow the identical consonant-vowel pattern (VCVCVCVC). Same shape at a glance is often the real trap, independent of shared letters.

8 ch
ilícitas
8 ch
ilícitos

Look-alike desk: ilícitas vs ilícitos

These two trip readers on the page rather than in the ear: ilícitas is [iˈlisit̪as] while ilícitos is [iˈlisit̪os]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - a in “ilícitas” becomes o in “ilícitos”, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 53436, derived from the frequency rank of both members and their visual similarity.

ilícitas is recorded at frequency rank #29,253, classified as anadj, pronounced [iˈlisit̪as]. ilícitos is at rank #24,183, tagged as anoun, pronounced [iˈlisit̪os].

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 53436, this pair ranks #87,876 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ilícitas vs ilícitos

Shared letters: cilstí. Private to "ilícitas": a. Private to "ilícitos": o.

"ilícitas" · 8 letters · shape VCVCVCVC  ·  "ilícitos" · 8 letters · shape VCVCVCVC

Frequently Asked Questions

Is swapping "ilícitas" for "ilícitos" ever safe?
No - they are not even the same part of speech. "ilícitas" is an adjective and "ilícitos" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ilícitas" or "ilícitos"?
"ilícitos" is the more common of the two: it sits at frequency rank #24,183 in our Spanish list, against #29,253 for "ilícitas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "ilícitas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ilícitos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #87,876 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "ilícitas" and "ilícitos" also get mixed up with nearby pairs, the highest-scored neighbour is "ilícita vs ilícitas". Nearby pair

Confusion rank #87,876 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