lavvsLEMTell them apart

Which to use

“lav” and “LEM” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#48,859
“lav” frequency rank
#35,810
“LEM” frequency rank
84669
confusion score

Side-by-Side Comparison

Feature lav LEM
Definition Clipping of lavatory. Originally Lunar Excursion Module, latterly Lunar Module.

Letter map: lav vs LEM

Shared letters muted; letters that set lav and LEM apart highlighted. Shared run: 1. lav and LEM follow the identical consonant-vowel pattern (CVC). Same shape at a glance is often the real trap, independent of shared letters.

3 ch
lav
3 ch
LEM

Spelling & dictionary notes on lav vs LEM

lav and LEM are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 84669, derived from the frequency rank of both members and their visual similarity.

lav is recorded at frequency rank #48,859, classified as anoun, pronounced /læv/. 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 84669, this pair ranks #11,674 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of lav vs LEM

Shared letters: l. Private to "lav": av. Private to "LEM": em.

"lav" · 3 letters · shape CVC  ·  "LEM" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "lav" for "LEM" ever safe?
No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "lav" 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 #48,859 for "lav". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "lav" and "LEM".

  • Full dictionary entry for "lav" 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 #11,674 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "lav" and "LEM" also get mixed up with nearby pairs, the highest-scored neighbour is "lav vs LSC". Nearby pair

Confusion rank #11,674 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