wonder vs astonishment

wonder and astonishment both are nouns.

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

As nouns, astonishment is a hypernym of wonder; that is, astonishment is a word with a broader meaning than wonder:

Other hypernyms of wonder include amazement.

wonder (noun)	astonishment (noun)
a state in which you want to learn more about something	the feeling that accompanies something extremely surprising
something that causes feelings of wonder
the feeling aroused by something strange and surprising

wonder (verb)	astonishment (verb)
have a wish or desire to know something
place in doubt or express doubtful speculation
be amazed at