dispute vs polemicize

dispute is a noun but polemicize is not a noun.

Word	Noun	Adjective	Verb	Adverb
dispute	Yes	No	Yes	No
polemicize	No	No	Yes	No

As verbs, polemicize is a hyponym of dispute; that is, polemicize is a word with a more specific, narrower meaning than dispute:

Other hyponyms of dispute include brawl, wrangle, spat, polemicise, polemise, polemize, fall out.

dispute (noun)	polemicize (noun)
coming into conflict with
a disagreement or argument about something important

dispute (verb)	polemicize (verb)
take exception to	engage in a controversy
have a disagreement over something