logomach vs controversialist

logomach and controversialist both are nouns.

Word	Noun	Adjective	Verb	Adverb
logomach	Yes	No	No	No
controversialist	Yes	No	No	No

As nouns, controversialist is a hypernym of logomach; that is, controversialist is a word with a broader meaning than logomach:

logomach: someone given to disputes over words
controversialist: a person who disputes; who is good at or enjoys controversy

Other hypernyms of logomach include disputant, eristic.

logomach (noun)	controversialist (noun)
someone given to disputes over words	a person who disputes; who is good at or enjoys controversy