enlistment vs loyalty

enlistment and loyalty both are nouns.

Word	Noun	Adjective	Verb	Adverb
enlistment	Yes	No	No	No
loyalty	Yes	No	No	No

As nouns, loyalty is a hypernym of enlistment; that is, loyalty is a word with a broader meaning than enlistment:

enlistment: the act of enlisting (as in a military service)
loyalty: the act of binding yourself (intellectually or emotionally) to a course of action

Other hypernyms of enlistment include allegiance, commitment, dedication.

enlistment (noun)	loyalty (noun)
the act of enlisting (as in a military service)	the act of binding yourself (intellectually or emotionally) to a course of action
a period of time spent in military service	the quality of being loyal
	feelings of allegiance