achimenes vs hot water plant

achimenes and hot water plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
achimenes	Yes	No	No	No
hot water plant	Yes	No	No	No

As nouns, achimenes and hot water plant are synonyms defined as:

achimenes and hot water plant: any plant of the genus Achimenes having showy bell-shaped flowers that resemble gloxinias

achimenes (noun)	hot water plant (noun)
any plant of the genus Achimenes having showy bell-shaped flowers that resemble gloxinias	any plant of the genus Achimenes having showy bell-shaped flowers that resemble gloxinias