leapedvsleperConfusable pair

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

Which to use

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

#38,472
“leaped” frequency rank
#37,540
“leper” frequency rank
76012
confusion score

Side-by-Side Comparison

Feature leaped leper
Definition simple past and past participle of leap A person who has leprosy, a person suffering from Hansen's disease.

Where the eye mixes leaped and leper

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. leaped runs 6 letters (CVVCVC) against leper's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
leaped
5 ch
leper

Visual trap between leaped and leper

These two trip readers on the page rather than in the ear: leaped is /liːpt/ while leper is /ˈlɛpɚ/. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 76012, derived from the frequency rank of both members and their visual similarity.

leaped is recorded at frequency rank #38,472, classified as averb, pronounced /liːpt/. 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 76012, this pair ranks #31,336 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of leaped vs leper

Shared letters: elp. Private to "leaped": ad. Private to "leper": r.

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

Known mistypes of this pair

  • leaped ← elaped · laeped · leaepd · leapde · leapedd · leapped · lepaed · lleaped
  • leper ← elper · leepr · leperr · lepper · lepre · lleper · lpeer

Frequently Asked Questions

Can "leaped" and "leper" be used interchangeably?
No - they are not even the same part of speech. "leaped" is a verb and "leper" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "leaped" 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 #38,472 for "leaped". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "leaped" 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 #31,336 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "leaped" and "leper" also get mixed up with nearby pairs, the highest-scored neighbour is "leper vs lope". 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 #31,336 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