libravslibreWhich spelling fits?

Quick tell: libra is a noun, libre is an adjective, so they fill different roles in a sentence.

Which to use

“libra” is a noun and “libre” is an adjective - they look or sound alike but fill different roles in a sentence.

#31,636
“libra” frequency rank
#34,570
“libre” frequency rank
66206
confusion score

Side-by-Side Comparison

Feature libra libre
Definition A Roman unit of mass, usually equivalent to 327 g. Especially of the will: free, independent, unconstrained.

Where the eye mixes libra and libre

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
libra
5 ch
libre

Look-alike desk: libra vs libre

These two trip readers on the page rather than in the ear: libra is /ˈliːbrə/ while libre is /ˈliːbɹə/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - a in “libra” becomes e in “libre”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 66206, derived from the frequency rank of both members and their visual similarity.

libra is recorded at frequency rank #31,636, classified as anoun, pronounced /ˈliːbrə/. libre is at rank #34,570, tagged as anadj, pronounced /ˈliːbɹə/.

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 66206, this pair ranks #69,080 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of libra vs libre

Shared letters: bilr. Private to "libra": a. Private to "libre": e.

"libra" · 5 letters · shape CVCCV  ·  "libre" · 5 letters · shape CVCCV

Known mistypes of this pair

  • librailbra · lbira · libar · libbra · librra · lirba · llibra
  • libreilbre · lbire · libbre · librre · lirbe · llibre

Frequently Asked Questions

Do "libra" and "libre" mean the same thing in a sentence?
No - they are not even the same part of speech. "libra" is a noun and "libre" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "libra" or "libre"?
"libra" is the more common of the two: it sits at frequency rank #31,636 in our English list, against #34,570 for "libre". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "libra" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "libre" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #69,080 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "libra" and "libre" also get mixed up with nearby pairs, the highest-scored neighbour is "libre vs lyre". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #69,080 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list