caídovscioWhat's the difference?

Quick tell: caído is a adjective, cio is a noun, so they fill different roles in a sentence.

Which to use

“caído” is an adjective and “cio” is a noun - they look or sound alike but fill different roles in a sentence.

#8,017
“caído” frequency rank
#22,564
“cio” frequency rank
30581
confusion score

Side-by-Side Comparison

Feature caído cio
Definition que caiu período de maior apetite sexual e fertilidade de certos animais

Where the spellings diverge

Shared letters are muted; the letters that actually set caído and cio apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

5 ch
caído
3 ch
cio

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: caído is anadjective and cioanoun. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 30581, derived from the frequency rank of both members and their visual similarity.

caído is recorded at frequency rank #8,017, classified as anadj. cio is at rank #22,564, tagged as anoun, pronounced /ˈsi.u/.

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 30581, this pair ranks #37,720 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of caído vs cio

Shared letters: co. Private to "caído": adí. Private to "cio": i.

"caído" · 5 letters · shape CVVCV  ·  "cio" · 3 letters · shape CVV

Frequency comparison

caído#8,017
cio#22,564

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "caído" and "cio" be used interchangeably?
No - they are not even the same part of speech. "caído" is an adjective and "cio" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "caído" or "cio"?
"caído" is the more common of the two: it sits at frequency rank #8,017 in our Portuguese list, against #22,564 for "cio". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering caído vs cio

The fastest way to pick the right one every time.

  • Check the role first: if you need an adjective, it's “caído”; for a noun, it's “cio”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “caído” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list