pig laurel vs Kalmia angustifolia

pig laurel and Kalmia angustifolia both are nouns.

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

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

pig laurel and Kalmia angustifolia: 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 lambkill, sheep laurel.

pig laurel (noun)	Kalmia angustifolia (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