satchel vs baggage

satchel and baggage both are nouns.

Word	Noun	Adjective	Verb	Adverb
satchel	Yes	No	No	No
baggage	Yes	No	No	No

As nouns, baggage is a hypernym of satchel; that is, baggage is a word with a broader meaning than satchel:

satchel: luggage consisting of a small case with a flat bottom and (usually) a shoulder strap
baggage: cases used to carry belongings when traveling

Other hypernyms of satchel include luggage.

satchel (noun)	baggage (noun)
luggage consisting of a small case with a flat bottom and (usually) a shoulder strap	cases used to carry belongings when traveling
	the portable equipment and supplies of an army
	a worthless or immoral woman