dump vs underprice

dump is a noun but underprice is not a noun.

Word	Noun	Adjective	Verb	Adverb
dump	Yes	No	Yes	No
underprice	No	No	Yes	No

As verbs, dump and underprice are synonyms defined as:

dump (noun)	underprice (noun)
a place where supplies can be stored
(computer science) a copy of the contents of a computer storage device; sometimes used in debugging programs
a piece of land where waste materials are dumped
a coarse term for defecation

dump (verb)	underprice (verb)
knock down with force	sell at artificially low prices
drop (stuff) in a heap or mass
fall abruptly
throw away as refuse
sell at artificially low prices
sever all ties with, usually unceremoniously or irresponsibly