hackvsHaiConfusable pair

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

Which to use

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

#22,668
“hack” frequency rank
#31,805
“Hai” frequency rank
54473
confusion score

Side-by-Side Comparison

Feature hack Hai
Definition (transitivo direto, intransitivo) retalhar^(5, 6), cortar, ferir tubarão

Letter map: hack vs Hai

Shared letters muted; letters that set hack and Hai apart highlighted. Shared run: 2.

4 ch
hack
3 ch
Hai

Part-of-speech tell for hack / Hai

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: hack is averb and Haianoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 54473, derived from the frequency rank of both members and their visual similarity.

hack is recorded at frequency rank #22,668, classified as averb. Hai is at rank #31,805, tagged as anoun, pronounced /haɪ̯/ ouvir^(fonte ?).

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 54473, this pair ranks #11,230 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of hack vs Hai

Shared letters: ah. Private to "hack": ck. Private to "Hai": i.

"hack" · 4 letters · shape CVCC  ·  "Hai" · 3 letters · shape CVV

Known mistypes of this pair

  • hackahck · hacck · hackk · hakc · hcak · hhack

Frequently Asked Questions

Is swapping "hack" for "Hai" ever safe?
No - they are not even the same part of speech. "hack" is a verb and "Hai" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "hack" vs "Hai" - which ranks higher?
"hack" is the more common of the two: it sits at frequency rank #22,668 in our Portuguese list, against #31,805 for "Hai". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "hack" vs "Hai" is on the table, pick a follow-up below.

  • Full dictionary entry for "hack" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Hai" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #11,230 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "hack" and "Hai" also get mixed up with nearby pairs, the highest-scored neighbour is "Hai vs hui". 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 #11,230 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list