qualvsquasiWhat's the difference?

Quick tell: qual is a noun, quasi is an adjective, so they fill different roles in a sentence.

Which to use

“qual” is a noun and “quasi” is an adjective - they look or sound alike but fill different roles in a sentence.

#45,609
“qual” frequency rank
#15,250
“quasi” frequency rank
60859
confusion score

Side-by-Side Comparison

Feature qual quasi
Definition Qualifying exam. An exam taken by someone (usually a grad student or prospective grad student) to measure their mastery in something, usually an academic field. Resembling or having a likeness to the named thing.

Where the spellings diverge

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

4 ch
qual
5 ch
quasi

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: qual is anoun and quasianadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 60859, derived from the frequency rank of both members and their visual similarity.

qual is recorded at frequency rank #45,609, classified as anoun. quasi is at rank #15,250, tagged as anadj, pronounced /ˈkweɪzaɪ/.

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 60859, this pair ranks #97,692 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of qual vs quasi

Shared letters: aqu. Private to "qual": l. Private to "quasi": is.

"qual" · 4 letters · shape CVVC  ·  "quasi" · 5 letters · shape CVVCV

Known mistypes of this pair

  • qualqaul · qqual · quall · qula · uqal
  • quasiqausi · qquasi · quais · quassi · qusai · uqasi

Frequency comparison

qual#45,609
quasi#15,250

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "qual" and "quasi" be used interchangeably?
No - they are not even the same part of speech. "qual" is a noun and "quasi" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "qual" or "quasi"?
"quasi" is the more common of the two: it sits at frequency rank #15,250 in our English list, against #45,609 for "qual". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering qual vs quasi

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “qual”; for an adjective, it's “quasi”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “qual” 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