Kalmia angustifolia vs pig laurel

Kalmia angustifolia and pig laurel both are nouns.

Word	Noun	Adjective	Verb	Adverb
Kalmia angustifolia	Yes	No	No	No
pig laurel	Yes	No	No	No

As nouns, Kalmia angustifolia and pig laurel are synonyms defined as:

Kalmia angustifolia and pig laurel: 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 lambkill, sheep laurel.

Kalmia angustifolia (noun)	pig laurel (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