iivsiloTell them apart

Quick tell: ii is a verb, ilo is a noun, so they fill different roles in a sentence.

Which to use

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

#968
“ii” frequency rank
#43,641
“ilo” frequency rank
44609
confusion score

Side-by-Side Comparison

Feature ii ilo
Definition Primera persona del singular del perfecto activo de indicativo de eō. Herramienta

Where the eye mixes ii and ilo

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

2 ch
ii
3 ch
ilo

Visual trap between ii and ilo

These two trip readers on the page rather than in the ear: ii is /ˈji/ while ilo is /ˈilo/. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 44609, derived from the frequency rank of both members and their visual similarity.

ii is recorded at frequency rank #968, classified as averb, pronounced /ˈji/. ilo is at rank #43,641, tagged as anoun, pronounced /ˈilo/.

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 44609, this pair ranks #136,102 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ii vs ilo

Shared letters: i. Private to "ii": -. Private to "ilo": lo.

"ii" · 2 letters · shape VV  ·  "ilo" · 3 letters · shape VCV

Frequently Asked Questions

Do "ii" and "ilo" mean the same thing in a sentence?
No - they are not even the same part of speech. "ii" is a verb and "ilo" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "ii" or "ilo" show up more?
"ii" is the more common of the two: it sits at frequency rank #968 in our Spanish list, against #43,641 for "ilo". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "ii" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ilo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #136,102 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "ii" and "ilo" also get mixed up with nearby pairs, the highest-scored neighbour is "ilo vs iza". Nearby pair

Confusion rank #136,102 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