perdidovsperíodoWhich spelling fits?

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

Which to use

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

#1,178
“perdido” frequency rank
#1,388
“período” frequency rank
2566
confusion score

Side-by-Side Comparison

Feature perdido período
Definition Sin meta o rumbo determinado. Tiempo que abarca toda la duración de una cosa

Where the eye mixes perdido and período

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. perdido (CVCCVCV) and período (CVCVVCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

7 ch
perdido
7 ch
período

Why the eye confuses perdido with período

These two trip readers on the page rather than in the ear: perdido is [peɾˈð̞ið̞o] while período is [peˈɾioð̞o]. 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 2566, derived from the frequency rank of both members and their visual similarity.

perdido is recorded at frequency rank #1,178, classified as anadj, pronounced [peɾˈð̞ið̞o]. período is at rank #1,388, tagged as anoun, pronounced [peˈɾioð̞o].

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 2566, this pair ranks #320,060 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of perdido vs período

Shared letters: deopr. Private to "perdido": i. Private to "período": í.

"perdido" · 7 letters · shape CVCCVCV  ·  "período" · 7 letters · shape CVCVVCV

Known mistypes of this pair

  • perdido ← eprdido · pedrido · perddido · perddio · perdiddo · perdiod · periddo · perrdido

Frequently Asked Questions

Can "perdido" and "período" be used interchangeably?
No - they are not even the same part of speech. "perdido" is an adjective and "período" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "perdido" or "período"?
"perdido" is the more common of the two: it sits at frequency rank #1,178 in our Spanish list, against #1,388 for "período". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "perdido" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "período" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #320,060 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "perdido" and "período" also get mixed up with nearby pairs, the highest-scored neighbour is "pedida vs perdido". 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 #320,060 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