make out vs understand

make out and understand both are verbs.

Word	Noun	Adjective	Verb	Adverb
make out	No	No	Yes	No
understand	No	No	Yes	No

As verbs, understand is a hypernym of make out; that is, understand is a word with a broader meaning than make out:

make out (verb)	understand (verb)
distinguish by sight or hearing	know and comprehend the nature or meaning of
make out and issue	perceive (an idea or situation) mentally
write all the required information onto a form	believe to be the case
imply or suggest	make sense of a language
try to establish	be understanding of
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