make out vs fill in

make out and fill in both are verbs.

Word	Noun	Adjective	Verb	Adverb
make out	No	No	Yes	No
fill in	No	No	Yes	No

As verbs, make out and fill in are synonyms defined as:

Other synonyms of make out include complete, fill out.

make out (verb)	fill in (verb)
distinguish by sight or hearing	supply with information on a specific topic
make out and issue	write all the required information onto a form
write all the required information onto a form	represent the effect of shade or shadow on
imply or suggest	be a substitute
try to establish
have sexual intercourse with
kiss, embrace, or fondle with sexual passion
detect with the senses
succeed in doing, achieving, or producing (something) with the limited or inadequate means available
proceed or get along