HUDvshuiWhat's the difference?

Which to use

“HUD” and “hui” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#18,339
“HUD” frequency rank
#22,115
“hui” frequency rank
40454
confusion score

Side-by-Side Comparison

Feature HUD hui
Definition Acronym of head-up display. A Māori social gathering or assembly.

Where the eye mixes HUD and hui

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
HUD
3 ch
hui

Visual trap between HUD and hui

A purely visual mix-up. HUD (/hʌd/) and hui (/ˈhʉː.iː/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - d in “HUD” becomes i in “hui”. Our composite confusion score for this pair is 40454, derived from the frequency rank of both members and their visual similarity.

HUD is recorded at frequency rank #18,339, classified as anoun, pronounced /hʌd/. hui is at rank #22,115, tagged as anoun, pronounced /ˈhʉː.iː/.

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 40454, this pair ranks #267,478 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of HUD vs hui

Shared letters: hu. Private to "HUD": d. Private to "hui": i.

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

Frequently Asked Questions

Is swapping "HUD" for "hui" ever safe?
No. They are said differently (/hʌd/ versus /ˈhʉː.iː/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "HUD" or "hui"?
"HUD" is the more common of the two: it sits at frequency rank #18,339 in our English list, against #22,115 for "hui". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "HUD" and "hui" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "HUD" 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 #267,478 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "HUD" and "hui" also get mixed up with nearby pairs, the highest-scored neighbour is "HIIT vs hui". Nearby pair

Confusion rank #267,478 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list