lovage vs herb

lovage and herb both are nouns.

Word	Noun	Adjective	Verb	Adverb
lovage	Yes	No	No	No
herb	Yes	No	No	No

As nouns, herb is a hypernym of lovage; that is, herb is a word with a broader meaning than lovage:

lovage: stalks eaten like celery or candied like angelica; seeds used for flavoring or pickled like capers
herb: aromatic potherb used in cookery for its savory qualities

As nouns, herb is a hypernym of lovage; that is, herb is a word with a broader meaning than lovage:

lovage: herb native to southern Europe; cultivated for its edible stalks and foliage and seeds
herb: a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests

Other hypernyms of lovage include herbaceous plant.

lovage (noun)	herb (noun)
stalks eaten like celery or candied like angelica; seeds used for flavoring or pickled like capers	aromatic potherb used in cookery for its savory qualities
herb native to southern Europe; cultivated for its edible stalks and foliage and seeds	a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests