Which to use
“left” is an adjective and “LEM” is a noun - they look or sound alike but fill different roles in a sentence.
- #215
- “left” frequency rank
- #35,810
- “LEM” frequency rank
- 36025
- confusion score
Side-by-Side Comparison
| Feature | left | LEM |
|---|---|---|
| Definition | Designating the side of the body toward the west when one is facing north; the side of the body on which the heart is located in most humans; the opposite of right. This arrow points to the reader's left: ← | Originally Lunar Excursion Module, latterly Lunar Module. |
Letter map: left vs LEM
Shared letters muted; letters that set left and LEM apart highlighted. Shared run: 2.
Part-of-speech tell for left / LEM
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: left is anadjective and LEManoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 36025, derived from the frequency rank of both members and their visual similarity.
left is recorded at frequency rank #215, classified as anadj, pronounced /ˈlɛft/. 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 36025, this pair ranks #306,846 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of left vs LEM
Shared letters: el. Private to "left": ft. Private to "LEM": m.
"left" · 4 letters · shape CVCC · "LEM" · 3 letters · shape CVC
Known mistypes of this pair
- left ← elft · lefft · leftt · letf · lfet · lleft
Frequently Asked Questions
Is swapping "left" for "LEM" ever safe?
Frequency check: "left" vs "LEM" - which ranks higher?
Useful next steps
You've compared "left" and "LEM". Here's where to go from here.
- Full dictionary entry for "left" 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 #306,846 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "left" 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 #306,846 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.