ilovsilusoWhat's the difference?

Quick tell: ilo is a noun, iluso is an adjective, so they fill different roles in a sentence.

Which to use

“ilo” is a noun and “iluso” is an adjective - they look or sound alike but fill different roles in a sentence.

#43,641
“ilo” frequency rank
#32,701
“iluso” frequency rank
76342
confusion score

Side-by-Side Comparison

Feature ilo iluso
Definition Herramienta Que es fácil de engañar por confiar demasiado en la bondad de los demás.

Where the eye mixes ilo and iluso

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

3 ch
ilo
5 ch
iluso

Visual trap between ilo and iluso

These two trip readers on the page rather than in the ear: ilo is /ˈilo/ while iluso is [iˈluso]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 76342, derived from the frequency rank of both members and their visual similarity.

ilo is recorded at frequency rank #43,641, classified as anoun, pronounced /ˈilo/. iluso is at rank #32,701, tagged as anadj, pronounced [iˈluso].

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 76342, this pair ranks #17,922 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of ilo vs iluso

Shared letters: ilo. Private to "ilo": -. Private to "iluso": su.

"ilo" · 3 letters · shape VCV  ·  "iluso" · 5 letters · shape VCVCV

Known mistypes of this pair

  • ilusoilluso · ilsuo · iluos · ilusso · iulso · liuso

Frequently Asked Questions

Can "ilo" and "iluso" be used interchangeably?
No - they are not even the same part of speech. "ilo" is a noun and "iluso" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "ilo" or "iluso" show up more?
"iluso" is the more common of the two: it sits at frequency rank #32,701 in our Spanish list, against #43,641 for "ilo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "ilo" and "iluso" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "ilo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "iluso" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #17,922 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "ilo" and "iluso" also get mixed up with nearby pairs, the highest-scored neighbour is "ilo vs iza". 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 #17,922 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