make merry vs roister

make merry and roister both are verbs.

Word	Noun	Adjective	Verb	Adverb
make merry	No	No	Yes	No
roister	No	No	Yes	No

As verbs, roister is a hyponym of make merry; that is, roister is a word with a more specific, narrower meaning than make merry:

make merry: celebrate noisily, often indulging in drinking; engage in uproarious festivities
roister: engage in boisterous, drunken merrymaking

Other hyponyms of make merry include carouse, riot.

make merry (verb)	roister (verb)
celebrate noisily, often indulging in drinking; engage in uproarious festivities	engage in boisterous, drunken merrymaking