Solanum tuberosum vs spud

Solanum tuberosum and spud both are nouns.

Word	Noun	Adjective	Verb	Adverb
Solanum tuberosum	Yes	No	No	No
spud	Yes	No	Yes	No

Solanum tuberosum (noun)	spud (noun)
annual native to South America having underground stolons bearing edible starchy tubers; widely cultivated as a garden vegetable; vines are poisonous	a sharp hand shovel for digging out roots and weeds
	an edible tuber native to South America; a staple food of Ireland

Solanum tuberosum (verb)	spud (verb)
	produce buds, branches, or germinate
	initiate drilling operations, as for petroleum