lemurvsleperWhich spelling fits?

Which to use

“lemur” and “leper” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#48,861
“lemur” frequency rank
#37,540
“leper” frequency rank
86401
confusion score

Side-by-Side Comparison

Feature lemur leper
Definition Any strepsirrhine primate of the superfamily Lemuroidea, native only to Madagascar and some surrounding islands. A person who has leprosy, a person suffering from Hansen's disease.

Where the eye mixes lemur and leper

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. lemur and leper follow the identical consonant-vowel pattern (CVCVC). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
lemur
5 ch
leper

Look-alike desk: lemur vs leper

A purely visual mix-up. lemur (/ˈliːmə(ɹ)/) and leper (/ˈlɛpɚ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 86401, derived from the frequency rank of both members and their visual similarity.

lemur is recorded at frequency rank #48,861, classified as anoun, pronounced /ˈliːmə(ɹ)/. leper is at rank #37,540, tagged as anoun, pronounced /ˈlɛpɚ/.

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 86401, this pair ranks #9,013 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of lemur vs leper

Shared letters: elr. Private to "lemur": mu. Private to "leper": p.

"lemur" · 5 letters · shape CVCVC  ·  "leper" · 5 letters · shape CVCVC

Known mistypes of this pair

  • lemur ← elmur · lemmur · lemru · lemurr · leumr · llemur · lmeur
  • leper ← elper · leepr · leperr · lepper · lepre · lleper · lpeer

Frequently Asked Questions

Is swapping "lemur" for "leper" ever safe?
No. They are said differently (/ˈliːmə(ɹ)/ versus /ˈlɛpɚ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "lemur" or "leper"?
"leper" is the more common of the two: it sits at frequency rank #37,540 in our English list, against #48,861 for "lemur". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "lemur" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "leper" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #9,013 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "lemur" and "leper" also get mixed up with nearby pairs, the highest-scored neighbour is "leer vs lemur". 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 #9,013 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