gripsack vs suitcase

gripsack and suitcase both are nouns.

Word	Noun	Adjective	Verb	Adverb
gripsack	Yes	No	No	No
suitcase	Yes	No	No	No

As nouns, suitcase is a hypernym of gripsack; that is, suitcase is a word with a broader meaning than gripsack:

Other hypernyms of gripsack include bag, grip, traveling bag, travelling bag.

gripsack (noun)	suitcase (noun)
a small suitcase	a portable rectangular container for carrying clothes