Which to use
“quarenta” is an adjective and “quarentena” is a noun - they look or sound alike but fill different roles in a sentence.
- #5,039
- “quarenta” frequency rank
- #11,333
- “quarentena” frequency rank
- 16372
- confusion score
Side-by-Side Comparison
| Feature | quarenta | quarentena |
|---|---|---|
| Definition | número equivalente a quatro dezenas; cardinalidade de um conjunto que contenha quatro dezenas de elementos distintos; representado pelo símbolo 40 (algarismos arábicos) ou XL (algarismos romanos) | período de quarenta dias |
Where the spellings diverge
Shared letters are muted; the letters that actually set quarenta and quarentena apart are highlighted. They share 8 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: quarenta is /kwɐ.ˈɾẽ.tɐ/ while quarentena is /kwɐ.ɾẽ.ˈte.nɐ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 16372, derived from the frequency rank of both members and their visual similarity.
quarenta is recorded at frequency rank #5,039, classified as anadj, pronounced /kwɐ.ˈɾẽ.tɐ/. quarentena is at rank #11,333, tagged as anoun, pronounced /kwɐ.ɾẽ.ˈte.nɐ/.
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 16372, this pair ranks #55,187 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of quarenta vs quarentena
Shared letters: aenqrtu. Private to "quarenta": -. Private to "quarentena": -.
"quarenta" · 8 letters · shape CVVCVCCV · "quarentena" · 10 letters · shape CVVCVCCVCV
Known mistypes of this pair
- quarenta ← qaurenta · qquarenta · quaernta · quarenat · quarennta · quarentta · quaretna · quarneta
- quarentena ← qaurentena · qquarentena · quaerntena · quarenetna · quarenntena · quarentean · quarentenna · quarentnea
Frequency comparison
Frequently Asked Questions
Can "quarenta" and "quarentena" be used interchangeably?
Which is more common, "quarenta" or "quarentena"?
Remembering quarenta vs quarentena
The fastest way to pick the right one every time.
- Check the role first: if you need an adjective, it's “quarenta”; for a noun, it's “quarentena”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “quarenta” entry
- Browse more pairs most likely to be confused. Most confusable