vice squad vs police squad

vice squad and police squad both are nouns.

Word	Noun	Adjective	Verb	Adverb
vice squad	Yes	No	No	No
police squad	Yes	No	No	No

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

vice squad: a police group to enforce laws against gambling and prostitution
police squad: a small squad of policemen trained to deal with a particular kind of crime

Other hypernyms of vice squad include squad.

vice squad (noun)	police squad (noun)
a police group to enforce laws against gambling and prostitution	a small squad of policemen trained to deal with a particular kind of crime