fatty tissue vs paunch

fatty tissue and paunch both are nouns.

Word	Noun	Adjective	Verb	Adverb
fatty tissue	Yes	No	No	No
paunch	Yes	No	No	No

As nouns, paunch is a hyponym of fatty tissue; that is, paunch is a word with a more specific, narrower meaning than fatty tissue:

fatty tissue: a kind of body tissue containing stored fat that serves as a source of energy; it also cushions and insulates vital organs
paunch: a protruding abdomen

Other hyponyms of fatty tissue include flab, atheroma, cellulite, puppy fat, mons, mons pubis, mons veneris, belly, love handle, spare tire.

fatty tissue (noun)	paunch (noun)
a kind of body tissue containing stored fat that serves as a source of energy; it also cushions and insulates vital organs	a protruding abdomen