gripsack vs travelling bag

gripsack and travelling bag both are nouns.

Word	Noun	Adjective	Verb	Adverb
gripsack	Yes	No	No	No
travelling bag	Yes	No	No	No

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

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

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