Which to use
“liber” is a noun and “libre” is an adjective - they look or sound alike but fill different roles in a sentence.
- #30,181
- “liber” frequency rank
- #35,891
- “libre” frequency rank
- 66072
- confusion score
Side-by-Side Comparison
| Feature | liber | libre |
|---|---|---|
| Definition | pflanzliches Fasergewebe, Bast | frei |
Where the spellings diverge
Shared letters are muted; the letters that actually set liber and libre apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: liber is [li.bɛʁ] while libre is [libʁ]. Spoken aloud the problem disappears. In writing it persists, because they differ only by swapping two adjacent letters (er ↔ re) - a transposition the eye reads straight past, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 66072, derived from the frequency rank of both members and their visual similarity.
liber is recorded at frequency rank #30,181, classified as anoun, pronounced [li.bɛʁ]. libre is at rank #35,891, tagged as anadj, pronounced [libʁ].
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 66072, this pair ranks #585,533 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of liber vs libre
Shared letters: beilr. Private to "liber": -. Private to "libre": -.
"liber" · 5 letters · shape CVCVC · "libre" · 5 letters · shape CVCCV
Known mistypes of this pair
Frequency comparison
Frequently Asked Questions
Can "liber" and "libre" be used interchangeably?
Which is more common, "liber" or "libre"?
Remembering liber vs libre
The fastest way to pick the right one every time.
- Check the role first: if you need a noun, it's “liber”; for an adjective, it's “libre”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “liber” entry
- Browse more pairs most likely to be confused. Most confusable