golden spleen vs hydrophyte

golden spleen and hydrophyte both are nouns.

Word	Noun	Adjective	Verb	Adverb
golden spleen	Yes	No	No	No
hydrophyte	Yes	No	No	No

As nouns, hydrophyte is a hypernym of golden spleen; that is, hydrophyte is a word with a broader meaning than golden spleen:

golden spleen: any of various low aquatic herbs of the genus Chrysosplenium
hydrophyte: a plant that grows partly or wholly in water whether rooted in the mud, as a lotus, or floating without anchorage, as the water hyacinth

Other hypernyms of golden spleen include aquatic plant, hydrophytic plant, water plant.

golden spleen (noun)	hydrophyte (noun)
any of various low aquatic herbs of the genus Chrysosplenium	a plant that grows partly or wholly in water whether rooted in the mud, as a lotus, or floating without anchorage, as the water hyacinth