sicken vs appall

sicken and appall both are verbs.

Word	Noun	Adjective	Verb	Adverb
sicken	No	No	Yes	No
appall	No	No	Yes	No

As verbs, appall is a hyponym of sicken; that is, appall is a word with a more specific, narrower meaning than sicken:

Other hyponyms of sicken include appal, offend, outrage, scandalise, scandalize, shock.

sicken (verb)	appall (verb)
get sick	strike with disgust or revulsion
make sick or ill	fill with apprehension or alarm; cause to be unpleasantly surprised
cause aversion in; offend the moral sense of
upset and make nauseated