Which to use
“ell” is a noun and “em” is a preposition - they look or sound alike but fill different roles in a sentence.
- #39,191
- “ell” frequency rank
- #7,152
- “em” frequency rank
- 46343
- confusion score
Side-by-Side Comparison
| Feature | ell | em |
|---|---|---|
| Definition | Codo; antigua medida inglesa especialmente utilizada para medir telas que equivalía a 114,3 centímetros (45 pulgadas). | En. |
Where the eye mixes ell and em
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between ell and em
These two trip readers on the page rather than in the ear: ell is [eɫ] while em is [ĩ]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 46343, derived from the frequency rank of both members and their visual similarity.
ell is recorded at frequency rank #39,191, classified as anoun, pronounced [eɫ]. em is at rank #7,152, tagged as aprep, pronounced [ĩ].
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 46343, this pair ranks #126,287 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ell vs em
Shared letters: e. Private to "ell": l. Private to "em": m.
"ell" · 3 letters · shape VCC · "em" · 2 letters · shape VC
Frequently Asked Questions
Is swapping "ell" for "em" ever safe?
Frequency check: "ell" vs "em" - which ranks higher?
Useful next steps
Eye-level mix-up between "ell" and "em" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "ell" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "em" - compare definitions side by side with the headword page. Word entry
- This pair ranks #126,287 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "ell" and "em" also get mixed up with nearby pairs, the highest-scored neighbour is "ell vs EPL". Nearby pair
Confusion rank #126,287 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.