suitcase vs traveling bag

suitcase and traveling bag both are nouns.

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

As nouns, suitcase and traveling bag are synonyms defined as:

suitcase and traveling bag: a portable rectangular container for carrying clothes

Other synonyms of suitcase include bag, grip, travelling bag.

suitcase (noun)	traveling bag (noun)
a portable rectangular container for carrying clothes	a portable rectangular container for carrying clothes