arovsAsuWhat's the difference?

Quick tell: aro is a noun, Asu is a name, so they fill different roles in a sentence.

Which to use

“aro” is a noun and “Asu” is a name - they look or sound alike but fill different roles in a sentence.

#14,762
“aro” frequency rank
#46,344
“Asu” frequency rank
61106
confusion score

Side-by-Side Comparison

Feature aro Asu
Definition Planta perenne de la familia de las aroideas, con raíz tuberculosa y feculenta, de la cual salen las hojas, que son sagitales, lisas, grandes y de color verde oscuro manchado a veces de negro; con bohordo central, de tres a cuatro decímetros de altura, con espata larga y amarillenta que envuelve flores sin cáliz ni corola; espádice purpúreo prolongado en figura de maza, y frutos del color y tamaño de la grosella. Apellido.

Where the spellings diverge

Shared letters are muted; the letters that actually set aro and Asu apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.

3 ch
aro
3 ch
Asu

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: aro is [ˈaɾo] while Asu is [ˈasu]. 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 (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 61106, derived from the frequency rank of both members and their visual similarity.

aro is recorded at frequency rank #14,762, classified as anoun, pronounced [ˈaɾo]. Asu is at rank #46,344, tagged as aname, pronounced [ˈasu].

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 61106, this pair ranks #56,629 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of aro vs Asu

Shared letters: a. Private to "aro": or. Private to "Asu": su.

"aro" · 3 letters · shape VCV  ·  "Asu" · 3 letters · shape VCV

Frequency comparison

aro#14,762
Asu#46,344

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "aro" and "Asu" be used interchangeably?
No - they are not even the same part of speech. "aro" is a noun and "Asu" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "aro" or "Asu"?
"aro" is the more common of the two: it sits at frequency rank #14,762 in our Spanish list, against #46,344 for "Asu". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering aro vs Asu

The fastest way to pick the right one every time.

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