troops vs military personnel

troops and military personnel both are nouns.

Word	Noun	Adjective	Verb	Adverb
troops	Yes	No	No	No
military personnel	Yes	No	No	No

As nouns, troops and military personnel are synonyms defined as:

Other synonyms of troops include soldiery.

troops (noun)	military personnel (noun)
soldiers collectively	soldiers collectively
	someone who serves in the armed forces; a member of a military force