bikevsbirWhat's the difference?

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

Which to use

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

#42,846
“bike” frequency rank
#48,247
“bir” frequency rank
91093
confusion score

Side-by-Side Comparison

Feature bike bir
Definition Bici. Uno, un.

Where the spellings diverge

Shared letters are muted; the letters that actually set bike and bir apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

4 ch
bike
3 ch
bir

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: bike is /baɪk/ while bir is [bir]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs num), which is usually the fastest check. Our composite confusion score for this pair is 91093, derived from the frequency rank of both members and their visual similarity.

bike is recorded at frequency rank #42,846, classified as anoun, pronounced /baɪk/. 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 91093, this pair ranks #2,165 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of bike vs bir

Shared letters: bi. Private to "bike": ek. Private to "bir": r.

"bike" · 4 letters · shape CVCV  ·  "bir" · 3 letters · shape CVC

Known mistypes of this pair

  • bikebbike · biek · bikke · bkie · ibke · vike

Frequency comparison

bike#42,846
bir#48,247

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "bike" and "bir" be used interchangeably?
No - they are not even the same part of speech. "bike" is a noun and "bir" a num, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "bike" or "bir"?
"bike" is the more common of the two: it sits at frequency rank #42,846 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.

Remembering bike vs bir

The fastest way to pick the right one every time.

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