hocvshuiWhat's the difference?

Quick tell: hoc is a adverb, hui is a verb, so they fill different roles in a sentence.

Which to use

“hoc” is an adverb and “hui” is a verb - they look or sound alike but fill different roles in a sentence.

#22,043
“hoc” frequency rank
#32,244
“hui” frequency rank
54287
confusion score

Side-by-Side Comparison

Feature hoc hui
Definition Hacia aquí, hacia este lugar, en esta dirección. Primera persona del singular (yo) del pretérito perfecto simple de indicativo de huir.

Where the eye mixes hoc and hui

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

3 ch
hoc
3 ch
hui

Visual trap between hoc and hui

These two trip readers on the page rather than in the ear: hoc is /ˈhoːk/ while hui is [ˈ(ɣ̞)w̝i]. 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 (adverb vs verb), which is usually the fastest check. Our composite confusion score for this pair is 54287, derived from the frequency rank of both members and their visual similarity.

hoc is recorded at frequency rank #22,043, classified as anadv, pronounced /ˈhoːk/. hui is at rank #32,244, tagged as averb, pronounced [ˈ(ɣ̞)w̝i].

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 54287, this pair ranks #84,009 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of hoc vs hui

Shared letters: h. Private to "hoc": co. Private to "hui": iu.

"hoc" · 3 letters · shape CVC  ·  "hui" · 3 letters · shape CVV

Frequently Asked Questions

Can "hoc" and "hui" be used interchangeably?
No - they are not even the same part of speech. "hoc" is an adverb and "hui" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "hoc" or "hui" show up more?
"hoc" is the more common of the two: it sits at frequency rank #22,043 in our Spanish list, against #32,244 for "hui". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "hoc" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "hui" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #84,009 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "hoc" and "hui" also get mixed up with nearby pairs, the highest-scored neighbour is "huey vs hui". Nearby pair

Confusion rank #84,009 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