dick vs detective

dick and detective both are nouns.

Word	Noun	Adjective	Verb	Adverb
dick	Yes	No	No	No
detective	Yes	No	No	No

As nouns, detective is a hypernym of dick; that is, detective is a word with a broader meaning than dick:

Other hypernyms of dick include investigator, police detective, tec.

dick (noun)	detective (noun)
obscene terms for penis	a police officer who investigates crimes
someone who is a detective	an investigator engaged or employed in obtaining information not easily available to the public