collection plate vs receptacle

collection plate and receptacle both are nouns.

Word	Noun	Adjective	Verb	Adverb
collection plate	Yes	No	No	No
receptacle	Yes	No	No	No

As nouns, receptacle is a hypernym of collection plate; that is, receptacle is a word with a broader meaning than collection plate:

collection plate (noun)	receptacle (noun)
a shallow receptacle for collection in church	a container that is used to put or keep things in
	an electrical (or electronic) fitting that is connected to a source of power and equipped to receive an insert
	enlarged tip of a stem that bears the floral parts