heartseed vs Cardiospermum grandiflorum

heartseed and Cardiospermum grandiflorum both are nouns.

Word	Noun	Adjective	Verb	Adverb
heartseed	Yes	No	No	No
Cardiospermum grandiflorum	Yes	No	No	No

As nouns, heartseed and Cardiospermum grandiflorum are synonyms defined as:

heartseed and Cardiospermum grandiflorum: herbaceous vine of tropical America and Africa

heartseed (noun)	Cardiospermum grandiflorum (noun)
herbaceous vine of tropical America and Africa	herbaceous vine of tropical America and Africa