who'dvswhooWhat's the difference?

Quick tell: who'd is a contraction, whoo is an intj, so they fill different roles in a sentence.

Which to use

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

#12,531
“who'd” frequency rank
#37,768
“whoo” frequency rank
50299
confusion score

Side-by-Side Comparison

Feature who'd whoo
Definition Who had. An expression of delight and excitement.

Where the spellings diverge

Shared letters are muted; the letters that actually set who'd and whoo apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

5 ch
who'd
4 ch
whoo

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: who'd is acontraction and whooanintj. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 50299, derived from the frequency rank of both members and their visual similarity.

who'd is recorded at frequency rank #12,531, classified as acontraction. whoo is at rank #37,768, tagged as anintj, pronounced /wuː/.

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 50299, this pair ranks #175,570 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of who'd vs whoo

Shared letters: how. Private to "who'd": d. Private to "whoo": -.

"who'd" · 4 letters · shape CCVC  ·  "whoo" · 4 letters · shape CCVV

Known mistypes of this pair

  • whoohwoo · whhoo · woho · wwhoo

Frequency comparison

who'd#12,531
whoo#37,768

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "who'd" and "whoo" be used interchangeably?
No - they are not even the same part of speech. "who'd" is a contraction and "whoo" an intj, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "who'd" or "whoo"?
"who'd" is the more common of the two: it sits at frequency rank #12,531 in our English list, against #37,768 for "whoo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering who'd vs whoo

The fastest way to pick the right one every time.

  • Check the role first: if you need a contraction, it's “who'd”; for an intj, it's “whoo”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “who'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 FrequencyWords open word-frequency list