cerco vs certo, What's the Difference?

Which to use

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

#6,512
“cerco” frequency rank: #326
“certo” frequency rank: 6838
confusion score

Side-by-Side Comparison

Feature	cerco	certo
Definition	ato de cercar	verdadeiro, evidente

Where the spellings diverge

Shared letters are muted; the letters that actually set cerco and certo apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.

5 ch

cerco

5 ch

certo

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: cerco is /ˈseɾ.ku/ while certo is /ˈsɛɹ.tʊ/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - c in “cerco” becomes t in “certo”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 6838, derived from the frequency rank of both members and their visual similarity.

cerco is recorded at frequency rank #6,512, classified as anoun, pronounced /ˈseɾ.ku/. certo is at rank #326, tagged as anadj, pronounced /ˈsɛɹ.tʊ/.

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 6838, this pair ranks #67,478 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of cerco vs certo

Shared letters: ceor. Private to "cerco": -. Private to "certo": t.

"cerco" · 5 letters · shape CVCCV · "certo" · 5 letters · shape CVCCV

Known mistypes of this pair

cerco ← ccerco · cecro · cercco · ceroc · cerrco · creco · ecrco
certo ← ccerto · cerot · cerrto · certto · cetro · creto · ecrto

Frequency comparison

cerco#6,512

certo#326

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "cerco" and "certo" be used interchangeably?

No - they are not even the same part of speech. "cerco" is a noun and "certo" an adjective, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "cerco" or "certo"?

"certo" is the more common of the two: it sits at frequency rank #326 in our Portuguese list, against #6,512 for "cerco". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering cerco vs certo

The fastest way to pick the right one every time.

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