galingale vs sedge

galingale and sedge both are nouns.

Word	Noun	Adjective	Verb	Adverb
galingale	Yes	No	No	No
sedge	Yes	No	No	No

As nouns, sedge is a hypernym of galingale; that is, sedge is a word with a broader meaning than galingale:

galingale: European sedge having rough-edged leaves and spikelets of reddish flowers and aromatic roots
sedge: grasslike or rushlike plant growing in wet places having solid stems, narrow grasslike leaves and spikelets of inconspicuous flowers

galingale (noun)	sedge (noun)
European sedge having rough-edged leaves and spikelets of reddish flowers and aromatic roots	grasslike or rushlike plant growing in wet places having solid stems, narrow grasslike leaves and spikelets of inconspicuous flowers