Gladstone bag vs traveling bag

Gladstone bag and traveling bag both are nouns.

Word	Noun	Adjective	Verb	Adverb
Gladstone bag	Yes	No	No	No
traveling bag	Yes	No	No	No

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

Other hypernyms of Gladstone bag include bag, grip, suitcase, travelling bag.

Gladstone bag (noun)	traveling bag (noun)
a large travelling bag made of stiff leather	a portable rectangular container for carrying clothes