spud vs stump spud

spud and stump spud both are nouns.

Word	Noun	Adjective	Verb	Adverb
spud	Yes	No	Yes	No
stump spud	Yes	No	No	No

As nouns, spud and stump spud are synonyms defined as:

spud and stump spud: a sharp hand shovel for digging out roots and weeds

spud (noun)	stump spud (noun)
a sharp hand shovel for digging out roots and weeds	a sharp hand shovel for digging out roots and weeds
an edible tuber native to South America; a staple food of Ireland

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