who'dvswhoopWhich spelling fits?

Quick tell: who'd is a contraction, whoop is a noun, so they fill different roles in a sentence.

Which to use

“who'd” is a contraction and “whoop” is a noun - they look or sound alike but fill different roles in a sentence.

#12,531
“who'd” frequency rank
#22,551
“whoop” frequency rank
35082
confusion score

Side-by-Side Comparison

Feature who'd whoop
Definition Who had. A loud, eager cry, usually of joy.

Letter map: who'd vs whoop

Shared letters muted; letters that set who'd and whoop apart highlighted. Shared run: 3. who'd runs 4 letters (CCVC) against whoop's 5 (CCVVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
who'd
5 ch
whoop

Role in the sentence - who'd and whoop

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: who'd is acontraction and whoopanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 35082, derived from the frequency rank of both members and their visual similarity.

who'd is recorded at frequency rank #12,531, classified as acontraction. whoop is at rank #22,551, tagged as anoun, pronounced /wuːp/.

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 35082, this pair ranks #315,050 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of who'd vs whoop

Shared letters: how. Private to "who'd": d. Private to "whoop": p.

"who'd" · 4 letters · shape CCVC  ·  "whoop" · 5 letters · shape CCVVC

Known mistypes of this pair

  • whoop ← hwoop · whhoop · whoopp · whop · whopo · wohop · wwhoop

Frequently Asked Questions

Is swapping "who'd" for "whoop" ever safe?
No - they are not even the same part of speech. "who'd" is a contraction and "whoop" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "who'd" or "whoop"?
"who'd" is the more common of the two: it sits at frequency rank #12,531 in our English list, against #22,551 for "whoop". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "who'd" and "whoop". Here's where to go from here.

  • Full dictionary entry for "who'd" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "whoop" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #315,050 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "who'd" and "whoop" also get mixed up with nearby pairs, the highest-scored neighbour is "whoop vs whorl". 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 #315,050 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