militainment vs amusement

militainment and amusement both are nouns.

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

As nouns, amusement is a hypernym of militainment; that is, amusement is a word with a broader meaning than militainment:

militainment: entertainment with military themes in which the Department of Defense is celebrated
amusement: an activity that is diverting and that holds the attention

Other hypernyms of militainment include entertainment.

militainment (noun)	amusement (noun)
entertainment with military themes in which the Department of Defense is celebrated	an activity that is diverting and that holds the attention
	a feeling of delight at being entertained