feed vs fill out

feed is a noun but fill out is not a noun.

Word	Noun	Adjective	Verb	Adverb
feed	Yes	No	Yes	No
fill out	No	No	Yes	No

feed (noun)	fill out (noun)
food for domestic livestock

feed (verb)	fill out (verb)
provide with fertilizers or add nutrients to	become round, plump, or shapely
introduce continuously	make bigger or better or more complete
take in food; used of animals only	write all the required information onto a form
give food to	make fat or plump
serve as food for; be the food for	line or stuff with soft material
feed into; supply	supplement what is thought to be deficient
provide as food
gratify
profit from in an exploitatory manner
move along, of liquids
support or promote