funny vs amusing

funny is a noun but amusing is not a noun.

Word	Noun	Adjective	Verb	Adverb
funny	Yes	Yes	No	No
amusing	No	Yes	No	No

As adjectives, funny and amusing are synonyms defined as:

Other synonyms of funny include comic, comical, laughable, mirthful, risible.

funny (noun)	amusing (noun)
an account of an amusing incident (usually with a punch line)

funny (adjective)	amusing (adjective)
arousing or provoking laughter	arousing or provoking laughter
experiencing odd bodily sensations	providing enjoyment; pleasantly entertaining
not as expected
beyond or deviating from the usual or expected