leanervsleperWhat's the difference?

Quick tell: leaner is a adjective, leper is a noun, so they fill different roles in a sentence.

Which to use

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

#38,939
“leaner” frequency rank
#37,540
“leper” frequency rank
76479
confusion score

Side-by-Side Comparison

Feature leaner leper
Definition comparative form of lean: more lean A person who has leprosy, a person suffering from Hansen's disease.

Letter map: leaner vs leper

Shared letters muted; letters that set leaner and leper apart highlighted. Shared run: 4.

6 ch
leaner
5 ch
leper

Role in the sentence - leaner and leper

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: leaner is anadjective and leperanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 76479, derived from the frequency rank of both members and their visual similarity.

leaner is recorded at frequency rank #38,939, classified as anadj. 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 76479, this pair ranks #29,998 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of leaner vs leper

Shared letters: elr. Private to "leaner": an. Private to "leper": p.

"leaner" · 6 letters · shape CVVCVC  ·  "leper" · 5 letters · shape CVCVC

Known mistypes of this pair

  • leanerelaner · laener · leaenr · leanerr · leanner · leanre · lenaer · lleaner
  • leperelper · leepr · leperr · lepper · lepre · lleper · lpeer

Frequently Asked Questions

Is swapping "leaner" for "leper" ever safe?
No - they are not even the same part of speech. "leaner" is an adjective and "leper" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "leaner" vs "leper" - which ranks higher?
"leper" is the more common of the two: it sits at frequency rank #37,540 in our English list, against #38,939 for "leaner". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "leaner" and "leper". Here's where to go from here.

  • Full dictionary entry for "leaner" 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 #29,998 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "leaner" and "leper" also get mixed up with nearby pairs, the highest-scored neighbour is "laver vs leaner". 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 #29,998 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