vegetable sheep vs herb

vegetable sheep and herb both are nouns.

Word	Noun	Adjective	Verb	Adverb
vegetable sheep	Yes	No	No	No
herb	Yes	No	No	No

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

vegetable sheep: perennial prostrate mat-forming herb with hoary woolly foliage
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 vegetable sheep include herbaceous plant.

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

vegetable sheep: cushion-forming New Zealand herb having leaves densely covered with tawny hairs
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 vegetable sheep include herbaceous plant.

vegetable sheep (noun)	herb (noun)
perennial prostrate mat-forming herb with hoary woolly foliage	aromatic potherb used in cookery for its savory qualities
cushion-forming New Zealand herb having leaves densely covered with tawny hairs	a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests