unovsUSBWhat's the difference?

Quick tell: uno is a num, USB is an abbrev, so they fill different roles in a sentence.

Which to use

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

#77
“uno” frequency rank
#11,505
“USB” frequency rank
11582
confusion score

Side-by-Side Comparison

Feature uno USB
Definition La cantidad de una cosa solitaria (a saber, sin otros). Estándar informático de transmisión de datos externo cuya clavija de entrada tiene forma rectangular y patillaje de cuatro contactos.

Where the spellings diverge

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

3 ch
uno
3 ch
USB

Spelling & Dictionary Insight

uno and USB form a confusable pair in the Spanish index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They share most of their letters but differ in 2 positions - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 11582, derived from the frequency rank of both members and their visual similarity.

uno is recorded at frequency rank #77, classified as anum, pronounced [ˈuno]. USB is at rank #11,505, tagged as anabbrev, pronounced [ˈusβ̞].

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 11582, this pair ranks #294,595 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Frequency comparison

uno#77
USB#11,505

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "uno" and "USB" be used interchangeably?
No, "uno" and "USB" have distinct meanings and cannot be swapped without changing the meaning of a sentence. Understanding the specific definition and context for each word is essential for correct usage.

Remembering uno vs USB

The fastest way to pick the right one every time.

  • Check the role first: if you need a num, it's “uno”; for an abbrev, it's “USB”.
  • 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

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list