teasing vs quizzical

teasing is a noun but quizzical is not a noun.

Word	Noun	Adjective	Verb	Adverb
teasing	Yes	Yes	No	No
quizzical	No	Yes	No	No

As adjectives, teasing and quizzical are synonyms defined as:

Other synonyms of teasing include mocking.

teasing (noun)	quizzical (noun)
the act of harassing someone playfully or maliciously (especially by ridicule); provoking someone with persistent annoyances
playful vexation
the act of removing tangles from you hair with a comb

teasing (adjective)	quizzical (adjective)
causing irritation or annoyance	perplexed (as if being expected to know something that you do not know)
playfully vexing (especially by ridicule)	playfully vexing (especially by ridicule)
arousing sexual desire without intending to satisfy it