cierras vs ciertos, What's the Difference?

Which to use

“cierras” is a verb and “ciertos” is an adjective - they look or sound alike but fill different roles in a sentence.

#30,807
“cierras” frequency rank: #2,071
“ciertos” frequency rank: 32878
confusion score

Side-by-Side Comparison

Feature	cierras	ciertos
Definition	Segunda persona del singular (tú) del presente de indicativo de cerrar o de cerrarse.	Forma del plural de cierto.

Where the spellings diverge

Shared letters are muted; the letters that actually set cierras and ciertos apart are highlighted. They share 5 letters in sequence, which is exactly why the eye skips the difference.

7 ch

cierras

7 ch

ciertos

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: cierras is [ˈsjeras] while ciertos is [ˈsjeɾt̪os]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 32878, derived from the frequency rank of both members and their visual similarity.

cierras is recorded at frequency rank #30,807, classified as averb, pronounced [ˈsjeras]. ciertos is at rank #2,071, tagged as anadj, pronounced [ˈsjeɾt̪os].

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 32878, this pair ranks #199,717 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cierras vs ciertos

Shared letters: ceirs. Private to "cierras": a. Private to "ciertos": ot.

"cierras" · 7 letters · shape CVVCCVC · "ciertos" · 7 letters · shape CVVCCVC

Known mistypes of this pair

cierras ← ccierras · ceirras · cierars · cieras · cierrass · cierrsa · cireras · icerras
ciertos ← cciertos · ceirtos · cierots · cierrtos · ciertoss · ciertso · cierttos · cietros

Frequency comparison

cierras#30,807

ciertos#2,071

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "cierras" and "ciertos" be used interchangeably?

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

Which is more common, "cierras" or "ciertos"?

"ciertos" is the more common of the two: it sits at frequency rank #2,071 in our Spanish list, against #30,807 for "cierras". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering cierras vs ciertos

The fastest way to pick the right one every time.

Check the role first: if you need a verb, it's “cierras”; for an adjective, it's “ciertos”.
See each word in full, definition, IPA, etymology and its other confusables. Full “cierras” entry
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