sicken vs appal

sicken and appal both are verbs.

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

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

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

sicken (verb)	appal (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