hackvshaikuConfusable pair

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

Which to use

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

#29,239
“hack” frequency rank
#45,973
“haiku” frequency rank
75212
confusion score

Side-by-Side Comparison

Feature hack haiku
Definition Talar, tajar. Poema tradicional japonés, breve y sin rima, que suele tener tres versos de cinco, siete y cinco moras respectivamente, y basarse en la emoción de contemplar el mundo.

Where the eye mixes hack and haiku

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

4 ch
hack
5 ch
haiku

Look-alike desk: hack vs haiku

These two trip readers on the page rather than in the ear: hack is /hæk/ while haiku is [ˈajku]. 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 75212, derived from the frequency rank of both members and their visual similarity.

hack is recorded at frequency rank #29,239, classified as averb, pronounced /hæk/. haiku is at rank #45,973, tagged as anoun, pronounced [ˈajku].

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 75212, this pair ranks #19,995 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of hack vs haiku

Shared letters: ahk. Private to "hack": c. Private to "haiku": iu.

"hack" · 4 letters · shape CVCC  ·  "haiku" · 5 letters · shape CVVCV

Known mistypes of this pair

  • hackahck · hacck · hackk · hakc · hcak · hhack
  • haikuahiku · haikku · haiuk · hakiu · hhaiku · hiaku

Frequently Asked Questions

Is swapping "hack" for "haiku" ever safe?
No - they are not even the same part of speech. "hack" is a verb and "haiku" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "hack" or "haiku"?
"hack" is the more common of the two: it sits at frequency rank #29,239 in our Spanish list, against #45,973 for "haiku". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "hack" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "haiku" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #19,995 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "hack" and "haiku" also get mixed up with nearby pairs, the highest-scored neighbour is "Haifa vs haiku". 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 #19,995 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