complementavscomplementarWhich spelling fits?

Which to use

“complementa” and “complementar” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#20,615
“complementa” frequency rank
#17,918
“complementar” frequency rank
38533
confusion score

Side-by-Side Comparison

Feature complementa complementar
Definition Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de complementar o de complementarse. Agregar uno o más complementos, completar algo.

Where the eye mixes complementa and complementar

Muted = shared; highlighted = the visual trap. They share 11 letters in sequence.

11 ch
complementa
12 ch
complementar

Visual trap between complementa and complementar

A purely visual mix-up. complementa ([kõmpleˈmẽn̪t̪a]) and complementar ([kõmplemẽn̪ˈt̪aɾ]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 extra letter(s) - “complementa” sits inside “complementar”. Our composite confusion score for this pair is 38533, 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]. complementar is at rank #17,918, tagged as averb, pronounced [kõmplemẽn̪ˈt̪aɾ].

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 38533, this pair ranks #169,490 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of complementa vs complementar

Shared letters: acelmnopt. Private to "complementa": -. Private to "complementar": r.

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

Known mistypes of this pair

  • complementaccomplementa · cmoplementa · comlpementa · commplementa · compelmenta · compleemnta · complemenat · complemennta
  • complementarccomplementar · cmoplementar · comlpementar · commplementar · compelmentar · compleemntar · complemenatr · complemenntar

Frequently Asked Questions

Do "complementa" and "complementar" mean the same thing in a sentence?
No. They are said differently ([kõmpleˈmẽn̪t̪a] versus [kõmplemẽn̪ˈt̪aɾ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "complementa" vs "complementar" - which ranks higher?
"complementar" is the more common of the two: it sits at frequency rank #17,918 in our Spanish list, against #20,615 for "complementa". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "complementa" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "complementar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #169,490 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "complementa" and "complementar" 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 #169,490 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