Kalmia angustifolia vs lambkill

Kalmia angustifolia and lambkill both are nouns.

Word	Noun	Adjective	Verb	Adverb
Kalmia angustifolia	Yes	No	No	No
lambkill	Yes	No	No	No

As nouns, Kalmia angustifolia and lambkill are synonyms defined as:

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

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

Kalmia angustifolia (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