pouch vs tobacco pouch

pouch and tobacco pouch both are nouns.

Word	Noun	Adjective	Verb	Adverb
pouch	Yes	No	Yes	No
tobacco pouch	Yes	No	No	No

As nouns, tobacco pouch is a hyponym of pouch; that is, tobacco pouch is a word with a more specific, narrower meaning than pouch:

Other hyponyms of pouch include mail pouch, mailbag, pocket, sporran, belt bag, waist pack.

pouch (noun)	tobacco pouch (noun)
a small or medium size container for holding or carrying things	a pouch for carrying pipe tobacco
(anatomy) saclike structure in any of various animals (as a marsupial or gopher or pelican)
an enclosed space

pouch (verb)	tobacco pouch (verb)
swell or protrude outwards
put into a small bag
send by special mail that goes through diplomatic channels