uno vs Urano, What's the Difference?

Which to use

“uno” is a num and “Urano” is a name - they look or sound alike but fill different roles in a sentence.

#77
“uno” frequency rank: #40,058
“Urano” frequency rank: 40135
confusion score

Side-by-Side Comparison

Feature	uno	Urano
Definition	La cantidad de una cosa solitaria (a saber, sin otros).	Dios primordial del cielo en la mitología griega, a un tiempo hijo y esposo de Gea y padre junto a ella de la mayoría de los dioses griegos.

Where the spellings diverge

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

3 ch

uno

5 ch

Urano

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: uno is [ˈuno] while Urano is [uˈɾano]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (num vs name), which is usually the fastest check. Our composite confusion score for this pair is 40135, derived from the frequency rank of both members and their visual similarity.

uno is recorded at frequency rank #77, classified as anum, pronounced [ˈuno]. Urano is at rank #40,058, tagged as aname, pronounced [uˈɾano].

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 40135, this pair ranks #160,700 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of uno vs Urano

Shared letters: nou. Private to "uno": -. Private to "Urano": ar.

"uno" · 3 letters · shape VCV · "Urano" · 5 letters · shape VCVCV

Known mistypes of this pair

Urano ← uarno · uranno · uraon · urnao · urrano

Frequency comparison

uno#77

Urano#40,058

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "uno" and "Urano" be used interchangeably?

No - they are not even the same part of speech. "uno" is a num and "Urano" a name, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "uno" or "Urano"?

"uno" is the more common of the two: it sits at frequency rank #77 in our Spanish list, against #40,058 for "Urano". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering uno vs Urano

The fastest way to pick the right one every time.

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