leakervslesserConfusable pair

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

Which to use

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

#48,319
“leaker” frequency rank
#5,806
“lesser” frequency rank
54125
confusion score

Side-by-Side Comparison

Feature leaker lesser
Definition Somebody who leaks information. comparative form of little: more little

Letter map: leaker vs lesser

Shared letters muted; letters that set leaker and lesser apart highlighted. Shared run: 4.

6 ch
leaker
6 ch
lesser

Part-of-speech tell for leaker / lesser

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: leaker is anoun and lesseranadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 54125, derived from the frequency rank of both members and their visual similarity.

leaker is recorded at frequency rank #48,319, classified as anoun. lesser is at rank #5,806, tagged as anadj, pronounced /ˈlɛsɚ/.

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 54125, this pair ranks #143,500 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of leaker vs lesser

Shared letters: elr. Private to "leaker": ak. Private to "lesser": s.

"leaker" · 6 letters · shape CVVCVC  ·  "lesser" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • leakerelaker · laeker · leaekr · leakerr · leakker · leakre · lekaer · lleaker
  • lesserelsser · leser · lesesr · lesserr · lessre · llesser · lseser

Frequently Asked Questions

Is swapping "leaker" for "lesser" ever safe?
No - they are not even the same part of speech. "leaker" is a noun and "lesser" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "leaker" vs "lesser" - which ranks higher?
"lesser" is the more common of the two: it sits at frequency rank #5,806 in our English list, against #48,319 for "leaker". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "leaker" and "lesser". Here's where to go from here.

  • Full dictionary entry for "leaker" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lesser" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #143,500 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "leaker" and "lesser" also get mixed up with nearby pairs, the highest-scored neighbour is "laver vs leaker". 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 #143,500 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