décadavsdecadeConfusable pair

Which to use

“década” and “decade” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#1,775
“década” frequency rank
#42,866
“decade” frequency rank
44641
confusion score

Side-by-Side Comparison

Feature década decade
Definition período de dez unidades década

Letter map: década vs decade

Shared letters muted; letters that set década and decade apart highlighted. Shared run: 4.

6 ch
década
6 ch
decade

Pair insight - década / decade

década and decade are indexed as a confusable Portuguese pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 44641, derived from the frequency rank of both members and their visual similarity.

década is recorded at frequency rank #1,775, classified as anoun, pronounced /ˈdɛ.kɐ.dɐ/. decade is at rank #42,866, tagged as anoun.

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 44641, this pair ranks #20,809 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of década vs decade

Shared letters: acd. Private to "década": é. Private to "decade": e.

"década" · 6 letters · shape CVCVCV  ·  "decade" · 6 letters · shape CVCVCV

Known mistypes of this pair

  • decadedceade · ddecade · deacde · decadde · decaed · deccade · decdae · edcade

Frequently Asked Questions

Is swapping "década" for "decade" ever safe?
No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
In ordinary Portuguese text, does "década" or "decade" show up more?
"década" is the more common of the two: it sits at frequency rank #1,775 in our Portuguese list, against #42,866 for "decade". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "década" and "decade". Here's where to go from here.

  • Full dictionary entry for "década" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "decade" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #20,809 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "década" and "decade" also get mixed up with nearby pairs, the highest-scored neighbour is "decade vs declare". 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 #20,809 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list