what'dvswho'dWhich spelling fits?

Which to use

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

#30,652
“what'd” frequency rank
#12,531
“who'd” frequency rank
43183
confusion score

Side-by-Side Comparison

Feature what'd who'd
Definition Contraction of what + did. Who had.

Letter map: what'd vs who'd

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

6 ch
what'd
5 ch
who'd

Spelling & dictionary notes on what'd vs who'd

what'd and who'd are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 43183, derived from the frequency rank of both members and their visual similarity.

what'd is recorded at frequency rank #30,652, classified as acontraction, pronounced /wʌd/. who'd is at rank #12,531, tagged as acontraction.

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 43183, this pair ranks #242,458 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of what'd vs who'd

Shared letters: dhw. Private to "what'd": at. Private to "who'd": o.

"what'd" · 5 letters · shape CCVCC  ·  "who'd" · 4 letters · shape CCVC

Frequently Asked Questions

Do "what'd" and "who'd" mean the same thing in a sentence?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "what'd" vs "who'd" - which ranks higher?
"who'd" is the more common of the two: it sits at frequency rank #12,531 in our English list, against #30,652 for "what'd". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "what'd" vs "who'd" is on the table, pick a follow-up below.

  • Full dictionary entry for "what'd" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "who'd" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #242,458 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "what'd" and "who'd" also get mixed up with nearby pairs, the highest-scored neighbour is "what'd vs what're". Nearby pair

Confusion rank #242,458 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