complementavscomplementosConfusable pair

Quick tell: complementa is a verb, complementos is a noun, so they fill different roles in a sentence.

Which to use

“complementa” is a verb and “complementos” is a noun - they look or sound alike but fill different roles in a sentence.

#20,615
“complementa” frequency rank
#22,990
“complementos” frequency rank
43605
confusion score

Side-by-Side Comparison

Feature complementa complementos
Definition Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de complementar o de complementarse. Forma del plural de complemento.

Where the eye mixes complementa and complementos

Muted = shared; highlighted = the visual trap. They share 10 letters in sequence.

11 ch
complementa
12 ch
complementos

Why the eye confuses complementa with complementos

These two trip readers on the page rather than in the ear: complementa is [kõmpleˈmẽn̪t̪a] while complementos is [kõmpleˈmẽn̪t̪os]. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 43605, derived from the frequency rank of both members and their visual similarity.

complementa is recorded at frequency rank #20,615, classified as averb, pronounced [kõmpleˈmẽn̪t̪a]. complementos is at rank #22,990, tagged as anoun, pronounced [kõmpleˈmẽn̪t̪os].

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 43605, this pair ranks #141,760 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of complementa vs complementos

Shared letters: celmnopt. Private to "complementa": a. Private to "complementos": s.

"complementa" · 11 letters · shape CVCCCVCVCCV  ·  "complementos" · 12 letters · shape CVCCCVCVCCVC

Known mistypes of this pair

  • complementaccomplementa · cmoplementa · comlpementa · commplementa · compelmenta · compleemnta · complemenat · complemennta
  • complementosccomplementos · cmoplementos · comlpementos · commplementos · compelmentos · compleemntos · complemenntos · complemenots

Frequently Asked Questions

Can "complementa" and "complementos" be used interchangeably?
No - they are not even the same part of speech. "complementa" is a verb and "complementos" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "complementa" vs "complementos" - which ranks higher?
"complementa" is the more common of the two: it sits at frequency rank #20,615 in our Spanish list, against #22,990 for "complementos". 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 "complementa" and "complementos" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "complementa" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "complementos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #141,760 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "complementa" and "complementos" also get mixed up with nearby pairs, the highest-scored neighbour is "complementa vs complementado". 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 #141,760 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