lobster plant vs Christmas flower

lobster plant and Christmas flower both are nouns.

Word	Noun	Adjective	Verb	Adverb
lobster plant	Yes	No	No	No
Christmas flower	Yes	No	No	No

As nouns, lobster plant and Christmas flower are synonyms defined as:

lobster plant and Christmas flower: tropical American plant having poisonous milk and showy tapering usually scarlet petallike leaves surrounding small yellow flowers

Other synonyms of lobster plant include Christmas star, Euphorbia pulcherrima, Mexican flameleaf, painted leaf, poinsettia.

lobster plant (noun)	Christmas flower (noun)
tropical American plant having poisonous milk and showy tapering usually scarlet petallike leaves surrounding small yellow flowers	tropical American plant having poisonous milk and showy tapering usually scarlet petallike leaves surrounding small yellow flowers