lestvslesterTell them apart

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

Which to use

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

#27,865
“lest” frequency rank
#20,774
“lester” frequency rank
48639
confusion score

Side-by-Side Comparison

Feature lest lester
Definition Pierres, sable ou autres matières pesantes dont on charge le fond d’un bateau pour lui donner la stabilité convenable, en le faisant suffisamment entrer dans l’eau. Garnir de lest.

Where the eye mixes lest and lester

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

4 ch
lest
6 ch
lester

Why the eye confuses lest with lester

These two trip readers on the page rather than in the ear: lest is \lɛst\ while lester is \lɛs.te\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “lest” sits inside “lester”, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 48639, derived from the frequency rank of both members and their visual similarity.

lest is recorded at frequency rank #27,865, classified as anoun, pronounced \lɛst\. lester is at rank #20,774, tagged as averb, pronounced \lɛs.te\.

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 48639, this pair ranks #177,244 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of lest vs lester

Shared letters: elst. Private to "lest": -. Private to "lester": r.

"lest" · 4 letters · shape CVCC  ·  "lester" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • lestelst · lesst · lestt · lets · llest · lset
  • lesterelster · lesetr · lesster · lesterr · lestre · lestter · letser · llester

Frequently Asked Questions

Is swapping "lest" for "lester" ever safe?
No - they are not even the same part of speech. "lest" is a noun and "lester" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "lest" vs "lester" - which ranks higher?
"lester" is the more common of the two: it sits at frequency rank #20,774 in our French list, against #27,865 for "lest". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "lest" and "lester" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "lest" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lester" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #177,244 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "lest" and "lester" also get mixed up with nearby pairs, the highest-scored neighbour is "lep vs lest". 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 #177,244 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list