pooh-pooh vs spurn

pooh-pooh and spurn both are verbs.

Word	Noun	Adjective	Verb	Adverb
pooh-pooh	No	No	Yes	No
spurn	No	No	Yes	No

As verbs, pooh-pooh and spurn are synonyms defined as:

Other synonyms of pooh-pooh include disdain, freeze off, reject, scorn, turn down.

pooh-pooh (verb)	spurn (verb)
reject with contempt	reject with contempt
express contempt about