dumbstricken vs dumfounded

dumbstricken and dumfounded both are adjectives.

Word	Noun	Adjective	Verb	Adverb
dumbstricken	No	Yes	No	No
dumfounded	No	Yes	No	No

As adjectives, dumbstricken and dumfounded are synonyms defined as:

dumbstricken and dumfounded: as if struck dumb with astonishment and surprise

Other synonyms of dumbstricken include dumbfounded, dumbstruck, flabbergasted, stupefied, thunderstruck.

dumbstricken (adjective)	dumfounded (adjective)
as if struck dumb with astonishment and surprise	as if struck dumb with astonishment and surprise