ecovselloWhich spelling fits?

Quick tell: eco is a noun, ello is a pronoun, so they fill different roles in a sentence.

Which to use

“eco” is a noun and “ello” is a pronoun - they look or sound alike but fill different roles in a sentence.

#4,414
“eco” frequency rank
#400
“ello” frequency rank
4814
confusion score

Side-by-Side Comparison

Feature eco ello
Definition Repetición del sonido causado por la reflexión de la onda sonora al chocar con una superficie rígida. Nominativo del pronombre personal de tercera persona en género neutro. Con preposición, empléase también en el caso oblicuo (o preposicional).

Where the eye mixes eco and ello

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
eco
4 ch
ello

Why the eye confuses eco with ello

These two trip readers on the page rather than in the ear: eco is [ˈeko] while ello is [ˈeʝo]. 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 pronoun), which is usually the fastest check. Our composite confusion score for this pair is 4814, derived from the frequency rank of both members and their visual similarity.

eco is recorded at frequency rank #4,414, classified as anoun, pronounced [ˈeko]. ello is at rank #400, tagged as apron, pronounced [ˈeʝo].

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 4814, this pair ranks #315,185 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of eco vs ello

Shared letters: eo. Private to "eco": c. Private to "ello": l.

"eco" · 3 letters · shape VCV  ·  "ello" · 4 letters · shape VCCV

Known mistypes of this pair

  • elloelol · lelo

Frequently Asked Questions

Is swapping "eco" for "ello" ever safe?
No - they are not even the same part of speech. "eco" is a noun and "ello" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "eco" or "ello"?
"ello" is the more common of the two: it sits at frequency rank #400 in our Spanish list, against #4,414 for "eco". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "eco" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ello" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #315,185 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "eco" and "ello" also get mixed up with nearby pairs, the highest-scored neighbour is "eco vs EPL". 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 #315,185 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list