dumbstricken vs dumbstruck

dumbstricken and dumbstruck both are adjectives.

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

As adjectives, dumbstricken and dumbstruck are synonyms defined as:

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

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

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