LEMvslewdWhich spelling fits?

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

Which to use

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

#35,810
“LEM” frequency rank
#22,725
“lewd” frequency rank
58535
confusion score

Side-by-Side Comparison

Feature LEM lewd
Definition Originally Lunar Excursion Module, latterly Lunar Module. Lascivious, sexually promiscuous, rude.

Letter map: LEM vs lewd

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

3 ch
LEM
4 ch
lewd

Part-of-speech tell for LEM / lewd

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: LEM is anoun and lewdanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 58535, derived from the frequency rank of both members and their visual similarity.

LEM is recorded at frequency rank #35,810, classified as anoun. lewd is at rank #22,725, tagged as anadj, pronounced /ljuːd/.

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 58535, this pair ranks #111,902 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of LEM vs lewd

Shared letters: el. Private to "LEM": m. Private to "lewd": dw.

"LEM" · 3 letters · shape CVC  ·  "lewd" · 4 letters · shape CVCC

Known mistypes of this pair

  • lewdelwd · ledw · lewdd · lewwd · llewd · lwed

Frequently Asked Questions

Can "LEM" and "lewd" be used interchangeably?
No - they are not even the same part of speech. "LEM" is a noun and "lewd" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "LEM" or "lewd"?
"lewd" is the more common of the two: it sits at frequency rank #22,725 in our English list, against #35,810 for "LEM". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "LEM" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lewd" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #111,902 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "LEM" and "lewd" also get mixed up with nearby pairs, the highest-scored neighbour is "LEM vs LSC". 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 #111,902 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