plagavsplainWhich spelling fits?

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

Which to use

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

#10,047
“plaga” frequency rank
#44,928
“plain” frequency rank
54975
confusion score

Side-by-Side Comparison

Feature plaga plain
Definition Conjunto de insectos, roedores, bacterias o cualquier ser vivo que se encuentra en una densidad tal que puede dañar o constituir una amenaza para el ser humano y su bienestar. Sencillo, liso, sin ornamentos, llano.

Where the eye mixes plaga and plain

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
plaga
5 ch
plain

Visual trap between plaga and plain

These two trip readers on the page rather than in the ear: plaga is [ˈplaɣ̞a] while plain is /pleɪn/. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 54975, derived from the frequency rank of both members and their visual similarity.

plaga is recorded at frequency rank #10,047, classified as anoun, pronounced [ˈplaɣ̞a]. plain is at rank #44,928, tagged as anadj, pronounced /pleɪn/.

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 54975, this pair ranks #80,941 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of plaga vs plain

Shared letters: alp. Private to "plaga": g. Private to "plain": in.

"plaga" · 5 letters · shape CCVCV  ·  "plain" · 5 letters · shape CCVVC

Known mistypes of this pair

  • plagalpaga · palga · plaag · plagga · plgaa · pllaga · pplaga
  • plainlpain · palin · plainn · plani · plian · pllain · pplain

Frequently Asked Questions

Is swapping "plaga" for "plain" ever safe?
No - they are not even the same part of speech. "plaga" is a noun and "plain" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "plaga" vs "plain" - which ranks higher?
"plaga" is the more common of the two: it sits at frequency rank #10,047 in our Spanish list, against #44,928 for "plain". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "plaga" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "plain" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #80,941 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "plaga" and "plain" also get mixed up with nearby pairs, the highest-scored neighbour is "plain vs plugin". 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 #80,941 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