penavsplenasConfusable pair

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

Which to use

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

#616
“pena” frequency rank
#34,273
“plenas” frequency rank
34889
confusion score

Side-by-Side Comparison

Feature pena plenas
Definition Castigo impuesto por autoridad legítima a quien ha cometido un delito o falta. Forma del plural femenino de pleno.

Where the eye mixes pena and plenas

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

4 ch
pena
6 ch
plenas

Visual trap between pena and plenas

These two trip readers on the page rather than in the ear: pena is [ˈpena] while plenas is [ˈplenas]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 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 34889, derived from the frequency rank of both members and their visual similarity.

pena is recorded at frequency rank #616, classified as anoun, pronounced [ˈpena]. plenas is at rank #34,273, tagged as anadj, pronounced [ˈplenas].

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 34889, this pair ranks #188,994 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of pena vs plenas

Shared letters: aenp. Private to "pena": -. Private to "plenas": ls.

"pena" · 4 letters · shape CVCV  ·  "plenas" · 6 letters · shape CCVCVC

Known mistypes of this pair

  • penaepna · pean · penna · pnea · ppena
  • plenaslpenas · pelnas · pleans · plenass · plennas · plensa · pllenas · plneas

Frequently Asked Questions

Can "pena" and "plenas" be used interchangeably?
No - they are not even the same part of speech. "pena" is a noun and "plenas" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "pena" vs "plenas" - which ranks higher?
"pena" is the more common of the two: it sits at frequency rank #616 in our Spanish list, against #34,273 for "plenas". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "pena" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "plenas" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #188,994 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "pena" and "plenas" also get mixed up with nearby pairs, the highest-scored neighbour is "piletas vs plenas". 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 #188,994 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