fill out vs put down

fill out and put down both are verbs.

Word	Noun	Adjective	Verb	Adverb
fill out	No	No	Yes	No
put down	No	No	Yes	No

fill out (verb)	put down (verb)
become round, plump, or shapely	put down in writing; of texts, musical compositions, etc.
make bigger or better or more complete	make a record of; set down in permanent form
write all the required information onto a form	put in a horizontal position
make fat or plump	remove (cargo, people, etc.) from and leave
line or stuff with soft material	cause to sit or seat or be in a settled position or place
supplement what is thought to be deficient	put (an animal) to death
	reduce in worth or character, usually verbally
	cause to come to the ground