amazement vs astonishment

amazement and astonishment both are nouns.

Word	Noun	Adjective	Verb	Adverb
amazement	Yes	No	No	No
astonishment	Yes	No	No	No

As nouns, amazement and astonishment are synonyms defined as:

amazement and astonishment: the feeling that accompanies something extremely surprising

amazement (noun)	astonishment (noun)
the feeling that accompanies something extremely surprising	the feeling that accompanies something extremely surprising