añovsAsuWhat's the difference?

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

Which to use

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

#100
“año” frequency rank
#46,344
“Asu” frequency rank
46444
confusion score

Side-by-Side Comparison

Feature año Asu
Definition Intervalo de tiempo que tarda la Tierra en hacer una revolución alrededor del Sol. El año se compone de 365 días y cuarto aproximadamente. Por eso cada cuatro años el año civil tiene un día más. Apellido.

Where the eye mixes año and Asu

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
año
3 ch
Asu

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: año is [ˈaɲo] 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 46444, derived from the frequency rank of both members and their visual similarity.

año is recorded at frequency rank #100, classified as anoun, pronounced [ˈaɲo]. 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 46444, this pair ranks #125,677 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of año vs Asu

Shared letters: a. Private to "año": . Private to "Asu": su.

"año" · 3 letters · shape VCV  ·  "Asu" · 3 letters · shape VCV

Frequently Asked Questions

Can "año" and "Asu" be used interchangeably?
No - they are not even the same part of speech. "año" is a noun and "Asu" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "año" or "Asu"?
"año" is the more common of the two: it sits at frequency rank #100 in our Spanish list, against #46,344 for "Asu". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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

Source: FrequencyWords open word-frequency list