Christmas star vs Christmas flower

Christmas star and Christmas flower both are nouns.

Word	Noun	Adjective	Verb	Adverb
Christmas star	Yes	No	No	No
Christmas flower	Yes	No	No	No

As nouns, Christmas star and Christmas flower are synonyms defined as:

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

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

Christmas star (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