Which to use
“ejercía” is a verb and “energía” is a noun - they look or sound alike but fill different roles in a sentence.
- #21,651
- “ejercía” frequency rank
- #822
- “energía” frequency rank
- 22473
- confusion score
Side-by-Side Comparison
| Feature | ejercía | energía |
|---|---|---|
| Definition | Primera persona del singular (yo) del pretérito imperfecto de indicativo de ejercer o de ejercerse. | Es una magnitud física del tipo escalar que se manifiesta en diversas formas, se mide por la capacidad de una fuerza o de un sistema para realizar trabajo mecánico, sus principales unidades son: julios y kilowatts.hora (o kilovatio.hora) y su simbolo es: E. |
Where the eye mixes ejercía and energía
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. ejercía and energía follow the identical consonant-vowel pattern (VCVCCVV). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses ejercía with energía
These two trip readers on the page rather than in the ear: ejercía is [exeɾˈsia] while energía is [eneɾˈxia]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 22473, derived from the frequency rank of both members and their visual similarity.
ejercía is recorded at frequency rank #21,651, classified as averb, pronounced [exeɾˈsia]. energía is at rank #822, tagged as anoun, pronounced [eneɾˈxia].
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 22473, this pair ranks #250,178 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of ejercía vs energía
Shared letters: aerí. Private to "ejercía": cj. Private to "energía": gn.
"ejercía" · 7 letters · shape VCVCCVV · "energía" · 7 letters · shape VCVCCVV
Frequently Asked Questions
Can "ejercía" and "energía" be used interchangeably?
Frequency check: "ejercía" vs "energía" - which ranks higher?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "ejercía" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "energía" - compare definitions side by side with the headword page. Word entry
- This pair ranks #250,178 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "ejercía" and "energía" also get mixed up with nearby pairs, the highest-scored neighbour is "ejercía vs ejercían". Nearby pair
Confusion rank #250,178 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.