hilarvshiloTell them apart

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

Which to use

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

#42,477
“hilar” frequency rank
#3,789
“hilo” frequency rank
46266
confusion score

Side-by-Side Comparison

Feature hilar hilo
Definition Convertir en hilos o hebras ciertos materiales, como la lana o el algodón. Fibra textil delgada, formada por pocas hebras, de largo variable.

Where the eye mixes hilar and hilo

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. hilar runs 5 letters (CVCVC) against hilo's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
hilar
4 ch
hilo

Why the eye confuses hilar with hilo

These two trip readers on the page rather than in the ear: hilar is [iˈlaɾ] while hilo 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 46266, derived from the frequency rank of both members and their visual similarity.

hilar is recorded at frequency rank #42,477, classified as averb, pronounced [iˈlaɾ]. hilo is at rank #3,789, 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 46266, this pair ranks #126,731 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of hilar vs hilo

Shared letters: hil. Private to "hilar": ar. Private to "hilo": o.

"hilar" · 5 letters · shape CVCVC  ·  "hilo" · 4 letters · shape CVCV

Known mistypes of this pair

  • hilar ← hhilar · hialr · hilarr · hillar · hilra · hliar · ihlar
  • hilo ← hhilo · hillo · hiol · hlio · ihlo

Frequently Asked Questions

Is swapping "hilar" for "hilo" ever safe?
No - they are not even the same part of speech. "hilar" is a verb and "hilo" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "hilar" or "hilo" show up more?
"hilo" is the more common of the two: it sits at frequency rank #3,789 in our Spanish list, against #42,477 for "hilar". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "hilar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "hilo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #126,731 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "hilar" and "hilo" also get mixed up with nearby pairs, the highest-scored neighbour is "hear vs hilar". 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 #126,731 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