what'dvswhat'sWhat's the difference?

Which to use

“what'd” and “what's” 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
#645
“what's” frequency rank
31297
confusion score

Side-by-Side Comparison

Feature what'd what's
Definition Contraction of what + did. What is.

Where the spellings diverge

Shared letters are muted; the letters that actually set what'd and what's apart are highlighted. They share 5 letters in sequence, which is exactly why the eye skips the difference.

6 ch
what'd
6 ch
what's

Spelling & Dictionary Insight

A purely visual mix-up. what'd (/wʌd/) and what's (/wɒts/) 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 “what'd” becomes s in “what's”. Our composite confusion score for this pair is 31297, 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/. what's is at rank #645, tagged as acontraction, pronounced /wɒts/.

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 31297, this pair ranks #347,293 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of what'd vs what's

Shared letters: ahtw. Private to "what'd": d. Private to "what's": s.

"what'd" · 5 letters · shape CCVCC  ·  "what's" · 5 letters · shape CCVCC

Frequency comparison

what'd#30,652
what's#645

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "what'd" and "what's" be used interchangeably?
No. They are said differently (/wʌd/ versus /wɒts/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "what'd" or "what's"?
"what's" is the more common of the two: it sits at frequency rank #645 in our English list, against #30,652 for "what'd". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering what'd vs what's

The fastest way to pick the right one every time.

  • Read both glosses above and match the meaning you intend, only context separates this pair.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “what'd” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list