pig laurel vs lambkill

pig laurel and lambkill both are nouns.

Word	Noun	Adjective	Verb	Adverb
pig laurel	Yes	No	No	No
lambkill	Yes	No	No	No

As nouns, pig laurel and lambkill are synonyms defined as:

pig laurel and lambkill: North American dwarf shrub resembling mountain laurel but having narrower leaves and small red flowers; poisonous to young stock

Other synonyms of pig laurel include Kalmia angustifolia, sheep laurel.

pig laurel (noun)	lambkill (noun)
North American dwarf shrub resembling mountain laurel but having narrower leaves and small red flowers; poisonous to young stock	North American dwarf shrub resembling mountain laurel but having narrower leaves and small red flowers; poisonous to young stock