cuss vs pest

cuss and pest both are nouns.

Word	Noun	Adjective	Verb	Adverb
cuss	Yes	No	Yes	No
pest	Yes	No	No	No

As nouns, cuss and pest are synonyms defined as:

Other synonyms of cuss include blighter, gadfly, pesterer.

cuss (noun)	pest (noun)
profane or obscene expression usually of surprise or anger	any unwanted and destructive insect or other animal that attacks food or crops or livestock etc.
a persistently annoying person	a persistently annoying person
a boy or man	any epidemic disease with a high death rate
	a serious (sometimes fatal) infection of rodents caused by Yersinia pestis and accidentally transmitted to humans by the bite of a flea that has bitten an infected animal

cuss (verb)	pest (verb)
utter obscenities or profanities