leervsLEMWhat's the difference?

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

Which to use

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

#47,726
“leer” frequency rank
#35,810
“LEM” frequency rank
83536
confusion score

Side-by-Side Comparison

Feature leer LEM
Definition To look sideways or obliquely; now especially with sexual desire or malicious intent. Originally Lunar Excursion Module, latterly Lunar Module.

Letter map: leer vs LEM

Shared letters muted; letters that set leer and LEM apart highlighted. Shared run: 2.

4 ch
leer
3 ch
LEM

Grammar separator: leer vs LEM

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: leer is averb and LEManoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 83536, derived from the frequency rank of both members and their visual similarity.

leer is recorded at frequency rank #47,726, classified as averb, pronounced /lɪə/. LEM is at rank #35,810, tagged as anoun.

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 83536, this pair ranks #13,632 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of leer vs LEM

Shared letters: el. Private to "leer": r. Private to "LEM": m.

"leer" · 4 letters · shape CVVC  ·  "LEM" · 3 letters · shape CVC

Known mistypes of this pair

  • leereler · leerr · ler · lere · lleer

Frequently Asked Questions

Can "leer" and "LEM" be used interchangeably?
No - they are not even the same part of speech. "leer" is a verb and "LEM" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "leer" vs "LEM" - which ranks higher?
"LEM" is the more common of the two: it sits at frequency rank #35,810 in our English list, against #47,726 for "leer". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "leer" and "LEM". Here's where to go from here.

  • Full dictionary entry for "leer" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "LEM" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #13,632 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "leer" and "LEM" also get mixed up with nearby pairs, the highest-scored neighbour is "leer vs lel". 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 #13,632 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