ergotine vs alkaloid

ergotine and alkaloid both are nouns.

Word	Noun	Adjective	Verb	Adverb
ergotine	Yes	No	No	No
alkaloid	Yes	No	No	No

As nouns, alkaloid is a hypernym of ergotine; that is, alkaloid is a word with a broader meaning than ergotine:

ergotine: a powerful astringent alkaloid extracted from ergot as a brown, amorphous, bitter substance, used to produce contraction of the uterus.
alkaloid: natural bases containing nitrogen found in plants

ergotine (noun)	alkaloid (noun)
a powerful astringent alkaloid extracted from ergot as a brown, amorphous, bitter substance, used to produce contraction of the uterus.	natural bases containing nitrogen found in plants