hooligan vs roughneck

hooligan and roughneck both are nouns.

Word	Noun	Adjective	Verb	Adverb
hooligan	Yes	No	No	No
roughneck	Yes	No	No	No

As nouns, hooligan and roughneck are synonyms defined as:

Other synonyms of hooligan include bully, rowdy, ruffian, tough, yob, yobbo, yobo.

hooligan (noun)	roughneck (noun)
a cruel and brutal fellow	a cruel and brutal fellow