rígidasvsrígidoTell them apart

Quick tell: rígidas is a noun, rígido is an adjective, so they fill different roles in a sentence.

Which to use

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

#33,327
“rígidas” frequency rank
#17,539
“rígido” frequency rank
50866
confusion score

Side-by-Side Comparison

Feature rígidas rígido
Definition Forma del plural de rígida. Que no se puede torcer o doblar.

Where the eye mixes rígidas and rígido

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. rígidas runs 7 letters (CVCVCVC) against rígido's 6 (CVCVCV) - the length gap alone is often enough to separate them once you know to check it.

7 ch
rígidas
6 ch
rígido

Why the eye confuses rígidas with rígido

These two trip readers on the page rather than in the ear: rígidas is [ˈrixið̞as] while rígido is [ˈrixið̞o]. 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 adjective), which is usually the fastest check. Our composite confusion score for this pair is 50866, derived from the frequency rank of both members and their visual similarity.

rígidas is recorded at frequency rank #33,327, classified as anoun, pronounced [ˈrixið̞as]. rígido is at rank #17,539, tagged as anadj, pronounced [ˈrixið̞o].

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 50866, this pair ranks #100,902 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of rígidas vs rígido

Shared letters: dgirí. Private to "rígidas": as. Private to "rígido": o.

"rígidas" · 7 letters · shape CVCVCVC  ·  "rígido" · 6 letters · shape CVCVCV

Frequently Asked Questions

Can "rígidas" and "rígido" be used interchangeably?
No - they are not even the same part of speech. "rígidas" is a noun and "rígido" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "rígidas" or "rígido" show up more?
"rígido" is the more common of the two: it sits at frequency rank #17,539 in our Spanish list, against #33,327 for "rígidas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "rígidas" and "rígido" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "rígidas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "rígido" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #100,902 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "rígidas" and "rígido" also get mixed up with nearby pairs, the highest-scored neighbour is "regida vs rígidas". Nearby pair

Confusion rank #100,902 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