inula vs elecampane

inula and elecampane both are nouns.

Word	Noun	Adjective	Verb	Adverb
inula	Yes	No	No	No
elecampane	Yes	No	No	No

As nouns, elecampane is a hyponym of inula; that is, elecampane is a word with a more specific, narrower meaning than inula:

inula: any plant of the genus Inula
elecampane: tall coarse Eurasian herb having daisylike yellow flowers with narrow petals whose rhizomatous roots are used medicinally

Other hyponyms of inula include Inula helenium.

inula (noun)	elecampane (noun)
any plant of the genus Inula	tall coarse Eurasian herb having daisylike yellow flowers with narrow petals whose rhizomatous roots are used medicinally