term of enlistment vs tour of duty

term of enlistment and tour of duty both are nouns.

Word	Noun	Adjective	Verb	Adverb
term of enlistment	Yes	No	No	No
tour of duty	Yes	No	No	No

As nouns, term of enlistment and tour of duty are synonyms defined as:

term of enlistment and tour of duty: a period of time spent in military service

Other synonyms of term of enlistment include duty tour, enlistment, hitch, tour.

term of enlistment (noun)	tour of duty (noun)
a period of time spent in military service	a period of time spent in military service