stumbler vs tripper

stumbler and tripper both are nouns.

Word	Noun	Adjective	Verb	Adverb
stumbler	Yes	No	No	No
tripper	Yes	No	No	No

As nouns, stumbler and tripper are synonyms defined as:

stumbler (noun)	tripper (noun)
a walker or runner who trips and almost falls	a catch mechanism that acts as a switch
someone who makes mistakes because of incompetence	a tourist who is visiting sights of interest
	a walker or runner who trips and almost falls
	(slang) someone who has taken a psychedelic drug and is undergoing hallucinations