scammony vs morning glory

scammony and morning glory both are nouns.

Word	Noun	Adjective	Verb	Adverb
scammony	Yes	No	No	No
morning glory	Yes	No	No	No

As nouns, morning glory is a hypernym of scammony; that is, morning glory is a word with a broader meaning than scammony:

scammony: tropical American morning glory
morning glory: any of various twining vines having funnel-shaped flowers that close late in the day

scammony (noun)	morning glory (noun)
twining plant of Asia Minor having cream-colored to purple flowers and long thick roots yielding a cathartic resin	any of various twining vines having funnel-shaped flowers that close late in the day
resin from the root of Convolvulus scammonia
tropical American morning glory