pouch vs pocket

pouch and pocket both are nouns.

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

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

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

As nouns, pouch and pocket are synonyms defined as:

pouch and pocket: (anatomy) saclike structure in any of various animals (as a marsupial or gopher or pelican)

As nouns, pouch and pocket are synonyms defined as:

Other synonyms of pouch include sac, sack.

pouch (noun)	pocket (noun)
a small or medium size container for holding or carrying things	a small pouch inside a garment for carrying small articles
(anatomy) saclike structure in any of various animals (as a marsupial or gopher or pelican)	an opening at the corner or on the side of a billiard table into which billiard balls are struck
an enclosed space	(anatomy) saclike structure in any of various animals (as a marsupial or gopher or pelican)
	a small isolated group of people
	a local region of low pressure or descending air that causes a plane to lose height suddenly
	a supply of money
	an enclosed space
	a hollow concave shape made by removing something
	(bowling) the space between the headpin and the pins behind it on the right or left

pouch (verb)	pocket (verb)
swell or protrude outwards	put in one's pocket
put into a small bag	take unlawfully
send by special mail that goes through diplomatic channels