swallowwort vs poppy

swallowwort and poppy both are nouns.

Word	Noun	Adjective	Verb	Adverb
swallowwort	Yes	No	No	No
poppy	Yes	No	No	No

As nouns, poppy is a hypernym of swallowwort; that is, poppy is a word with a broader meaning than swallowwort:

swallowwort: perennial herb with branched woody stock and bright yellow flowers
poppy: annual or biennial or perennial herbs having showy flowers

swallowwort (noun)	poppy (noun)
perennial herb with branched woody stock and bright yellow flowers	annual or biennial or perennial herbs having showy flowers
tropical herb having orange-red flowers followed by pods suggesting a swallow with outspread wings; a weed throughout the tropics