Which to use
“década” is a noun and “decaído” is a verb - they look or sound alike but fill different roles in a sentence.
- #2,078
- “década” frequency rank
- #44,678
- “decaído” frequency rank
- 46756
- confusion score
Side-by-Side Comparison
| Feature | década | decaído |
|---|---|---|
| Definition | Período de diez años. | Participio de decaer. |
Where the spellings diverge
Shared letters are muted; the letters that actually set década and decaído apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: década is [ˈd̪ekað̞a] while decaído is [d̪ekaˈið̞o]. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 46756, derived from the frequency rank of both members and their visual similarity.
década is recorded at frequency rank #2,078, classified as anoun, pronounced [ˈd̪ekað̞a]. decaído is at rank #44,678, tagged as averb, pronounced [d̪ekaˈið̞o].
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 46756, this pair ranks #123,940 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of década vs decaído
Shared letters: acd. Private to "década": é. Private to "decaído": eoí.
"década" · 6 letters · shape CVCVCV · "decaído" · 7 letters · shape CVCVVCV
Frequency comparison
Frequently Asked Questions
Can "década" and "decaído" be used interchangeably?
Which is more common, "década" or "decaído"?
Remembering década vs decaído
The fastest way to pick the right one every time.
- Check the role first: if you need a noun, it's “década”; for a verb, it's “decaído”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “década” entry
- Browse more pairs most likely to be confused. Most confusable