turnstone vs plover

turnstone and plover both are nouns.

Word	Noun	Adjective	Verb	Adverb
turnstone	Yes	No	No	No
plover	Yes	No	No	No

As nouns, plover is a hypernym of turnstone; that is, plover is a word with a broader meaning than turnstone:

turnstone: migratory shorebirds of the plover family that turn over stones in searching for food
plover: any of numerous chiefly shorebirds of relatively compact build having straight bills and large pointed wings; closely related to the sandpipers

turnstone (noun)	plover (noun)
migratory shorebirds of the plover family that turn over stones in searching for food	any of numerous chiefly shorebirds of relatively compact build having straight bills and large pointed wings; closely related to the sandpipers