troops vs friendly

troops and friendly both are nouns.

Word	Noun	Adjective	Verb	Adverb
troops	Yes	No	No	No
friendly	Yes	Yes	No	No

As nouns, friendly is a hyponym of troops; that is, friendly is a word with a more specific, narrower meaning than troops:

Other hyponyms of troops include hostile, cavalry, horse, horse cavalry, garrison.

troops (noun)	friendly (noun)
soldiers collectively	troops belonging to or allied with your own military forces

troops (adjective)	friendly (adjective)
	characteristic of or befitting a friend
	of or belonging to your own country's forces or those of an ally
	easy to understand or use
	inclined to help or support; not antagonistic or hostile