lampvsLEMTell them apart

Which to use

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

#6,586
“lamp” frequency rank
#35,810
“LEM” frequency rank
42396
confusion score

Side-by-Side Comparison

Feature lamp LEM
Definition A device that generates heat, light or other radiation. Especially an electric light bulb. Originally Lunar Excursion Module, latterly Lunar Module.

Letter map: lamp vs LEM

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

4 ch
lamp
3 ch
LEM

Spelling & dictionary notes on lamp vs LEM

lamp 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 differ by 1 letter(s) in length. Our composite confusion score for this pair is 42396, derived from the frequency rank of both members and their visual similarity.

lamp is recorded at frequency rank #6,586, classified as anoun, pronounced /ˈlæ̞mp/. 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 42396, this pair ranks #249,610 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of lamp vs LEM

Shared letters: lm. Private to "lamp": ap. Private to "LEM": e.

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

Known mistypes of this pair

  • lampalmp · lammp · lampp · lapm · llamp · lmap

Frequently Asked Questions

Do "lamp" and "LEM" mean the same thing in a sentence?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "lamp" vs "LEM" - which ranks higher?
"lamp" is the more common of the two: it sits at frequency rank #6,586 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.

What to do next

Pair "lamp" vs "LEM" is on the table, pick a follow-up below.

  • Full dictionary entry for "lamp" 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 #249,610 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "lamp" and "LEM" 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 #249,610 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