roar vs go forward

roar is a noun but go forward is not a noun.

Word	Noun	Adjective	Verb	Adverb
roar	Yes	No	Yes	No
go forward	No	No	Yes	No

As verbs, go forward is a hypernym of roar; that is, go forward is a word with a broader meaning than roar:

Other hypernyms of roar include continue, move ahead, proceed.

roar (noun)	go forward (noun)
a very loud utterance (like the sound of an animal)
a deep prolonged loud noise
the sound made by a lion

roar (verb)	go forward (verb)
laugh unrestrainedly and heartily	move ahead; travel onward in time or space
make a loud noise, as of wind, water, or vehicles
emit long loud cries
utter words loudly and forcefully
make a loud noise, as of animal
act or proceed in a riotous, turbulent, or disorderly way