amuse vs amusement

amuse is not a noun while amusement is a noun.

Word	Noun	Adjective	Verb	Adverb
amuse	No	No	Yes	No
amusement	Yes	No	No	No

amuse (noun)	amusement (noun)
	an activity that is diverting and that holds the attention
	a feeling of delight at being entertained

amuse (verb)	amusement (verb)
make (somebody) laugh
occupy in an agreeable, entertaining or pleasant fashion