Bewildered vs Dumbfounded - What's the difference?

As adjectives the difference between bewildered and dumbfounded

is that bewildered is baffled, confused, mystified, at a loss, or uncertain while dumbfounded is shocked and speechless.

is that bewildered is past tense of bewilder while dumbfounded is past tense of dumbfound.

(en adjective)

Baffled, confused, mystified, at a loss, or uncertain.

He was just standing there, turning this way and that, with a bewildered look on his face.

* bewilderedly

(head)

(bewilder)

* dumfounded

(en adjective)

shocked and speechless.

* amazed, astonished, astounded, confounded, flabbergasted, perplexed, shocked, speechless, stunned, surprised

(head)

(dumbfound)