quidvsquoWhat's the difference?

Quick tell: quid is a noun, quo is a verb, so they fill different roles in a sentence.

Which to use

“quid” is a noun and “quo” is a verb - they look or sound alike but fill different roles in a sentence.

#19,182
“quid” frequency rank
#9,947
“quo” frequency rank
29129
confusion score

Side-by-Side Comparison

Feature quid quo
Definition The inherent nature of something. quoth

Where the eye mixes quid and quo

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

4 ch
quid
3 ch
quo

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: quid is /kwɪd/ while quo is /kwəʊ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 29129, derived from the frequency rank of both members and their visual similarity.

quid is recorded at frequency rank #19,182, classified as anoun, pronounced /kwɪd/. quo is at rank #9,947, tagged as averb, pronounced /kwəʊ/.

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 29129, this pair ranks #365,586 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of quid vs quo

Shared letters: qu. Private to "quid": di. Private to "quo": o.

"quid" · 4 letters · shape CVVC  ·  "quo" · 3 letters · shape CVV

Known mistypes of this pair

  • quidqiud · qquid · qudi · quidd · uqid

Frequently Asked Questions

Can "quid" and "quo" be used interchangeably?
No - they are not even the same part of speech. "quid" is a noun and "quo" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "quid" or "quo"?
"quo" is the more common of the two: it sits at frequency rank #9,947 in our English list, against #19,182 for "quid". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "quid" and "quo". Here's where to go from here.

  • Full dictionary entry for "quid" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "quo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #365,586 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "quid" and "quo" also get mixed up with nearby pairs, the highest-scored neighbour is "Qiu vs quid". 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

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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

Source: FrequencyWords open word-frequency list