sheep laurel vs lambkill

sheep laurel and lambkill both are nouns.

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

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

sheep 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 sheep laurel include Kalmia angustifolia, pig laurel.

sheep 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