Which to use
“eje” is a noun and “em” is a preposition - they look or sound alike but fill different roles in a sentence.
- #4,077
- “eje” frequency rank
- #7,152
- “em” frequency rank
- 11229
- confusion score
Side-by-Side Comparison
| Feature | eje | em |
|---|---|---|
| Definition | Pieza cilíndrica que atraviesa un cuerpo giratorio. | En. |
Where the eye mixes eje and em
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses eje with em
These two trip readers on the page rather than in the ear: eje is [ˈexe] 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 11229, derived from the frequency rank of both members and their visual similarity.
eje is recorded at frequency rank #4,077, classified as anoun, pronounced [ˈexe]. 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 11229, this pair ranks #295,844 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of eje vs em
Shared letters: e. Private to "eje": j. Private to "em": m.
"eje" · 3 letters · shape VCV · "em" · 2 letters · shape VC
Frequently Asked Questions
Is swapping "eje" for "em" ever safe?
In ordinary Spanish text, does "eje" or "em" show up more?
What to do next
Eye-level mix-up between "eje" and "em" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "eje" 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 #295,844 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "eje" and "em" also get mixed up with nearby pairs, the highest-scored neighbour is "em vs EPL". Nearby pair
Confusion rank #295,844 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.