pink shower vs Cassia grandis

pink shower and Cassia grandis both are nouns.

Word	Noun	Adjective	Verb	Adverb
pink shower	Yes	No	No	No
Cassia grandis	Yes	No	No	No

As nouns, pink shower and Cassia grandis are synonyms defined as:

pink shower and Cassia grandis: tropical American semi-evergreen tree having erect racemes of pink or rose-colored flowers; used as an ornamental

Other synonyms of pink shower include horse cassia, pink shower tree.

pink shower (noun)	Cassia grandis (noun)
tropical American semi-evergreen tree having erect racemes of pink or rose-colored flowers; used as an ornamental	tropical American semi-evergreen tree having erect racemes of pink or rose-colored flowers; used as an ornamental