flying squad vs team

flying squad and team both are nouns.

Word	Noun	Adjective	Verb	Adverb
flying squad	Yes	No	No	No
team	Yes	No	Yes	No

As nouns, team is a hypernym of flying squad; that is, team is a word with a broader meaning than flying squad:

flying squad: a mobile group of trained people (police or executives or officials) able to move quickly in the case of emergencies
team: a cooperative unit (especially in sports)

Other hypernyms of flying squad include squad.

flying squad (noun)	team (noun)
a mobile group of trained people (police or executives or officials) able to move quickly in the case of emergencies	a cooperative unit (especially in sports)
	two or more draft animals that work together to pull something

flying squad (verb)	team (verb)
	form a team