binvsbirWhat's the difference?

Quick tell: bin is a noun, bir is a num, so they fill different roles in a sentence.

Which to use

“bin” is a noun and “bir” is a num - they look or sound alike but fill different roles in a sentence.

#11,724
“bin” frequency rank
#48,247
“bir” frequency rank
59971
confusion score

Side-by-Side Comparison

Feature bin bir
Definition En la transformada de Fourier discreta, cada uno de los valores discretos de la variable independiente que quedan en la secuencia transformada, los cuales contienen una amplitud que representa a toda la potencia detectada dentro de un rango determinado de frecuencias. Uno, un.

Where the eye mixes bin and bir

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. bin and bir follow the identical consonant-vowel pattern (CVC). Same shape at a glance is often the real trap, independent of shared letters.

3 ch
bin
3 ch
bir

Look-alike desk: bin vs bir

These two trip readers on the page rather than in the ear: bin is [ˈbĩn] while bir is [bir]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - n in “bin” becomes r in “bir”, and the parts of speech differ too (noun vs num), which is usually the fastest check. Our composite confusion score for this pair is 59971, derived from the frequency rank of both members and their visual similarity.

bin is recorded at frequency rank #11,724, classified as anoun, pronounced [ˈbĩn]. bir is at rank #48,247, tagged as anum, pronounced [bir].

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 59971, this pair ranks #60,627 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of bin vs bir

Shared letters: bi. Private to "bin": n. Private to "bir": r.

"bin" · 3 letters · shape CVC  ·  "bir" · 3 letters · shape CVC

Frequently Asked Questions

Can "bin" and "bir" be used interchangeably?
No - they are not even the same part of speech. "bin" is a noun and "bir" a num, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "bin" or "bir" show up more?
"bin" is the more common of the two: it sits at frequency rank #11,724 in our Spanish list, against #48,247 for "bir". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "bin" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "bir" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #60,627 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "bin" and "bir" also get mixed up with nearby pairs, the highest-scored neighbour is "bir vs brie". Nearby pair

Confusion rank #60,627 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list