acidezvsácidoWhat's the difference?

Quick tell: acidez is a noun, ácido is an adjective, so they fill different roles in a sentence.

Which to use

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

#21,544
“acidez” frequency rank
#4,212
“ácido” frequency rank
25756
confusion score

Side-by-Side Comparison

Feature acidez ácido
Definition Cantidad de ácido presente en una sustancia, producido por exceso de iones de hidrógeno en una solución acuosa, en relación a los existentes en el agua pura. Que tiene uno de los sabores básicos, como el del limón o el vinagre, producido por la concentración de iones hidronios.

Where the spellings diverge

Shared letters are muted; the letters that actually set acidez and ácido apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

6 ch
acidez
5 ch
ácido

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: acidez is [asiˈð̞es] while ácido is [ˈasið̞o]. 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 adjective), which is usually the fastest check. Our composite confusion score for this pair is 25756, derived from the frequency rank of both members and their visual similarity.

acidez is recorded at frequency rank #21,544, classified as anoun, pronounced [asiˈð̞es]. ácido is at rank #4,212, tagged as anadj, pronounced [ˈasið̞o].

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 25756, this pair ranks #234,942 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of acidez vs ácido

Shared letters: cdi. Private to "acidez": aez. Private to "ácido": .

"acidez" · 6 letters · shape VCVCVC  ·  "ácido" · 5 letters · shape VCVCV

Known mistypes of this pair

  • acidezaccidez · acdiez · aciddez · acidezz · acidze · aciedz · aicdez · asidez

Frequency comparison

acidez#21,544
ácido#4,212

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "acidez" and "ácido" be used interchangeably?
No - they are not even the same part of speech. "acidez" is a noun and "ácido" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "acidez" or "ácido"?
"ácido" is the more common of the two: it sits at frequency rank #4,212 in our Spanish list, against #21,544 for "acidez". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering acidez vs ácido

The fastest way to pick the right one every time.

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