appal vs appall

appal and appall both are verbs.

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

As verbs, appal and appall are synonyms defined as:

Other synonyms of appal include offend, outrage, scandalise, scandalize, shock.

As verbs, appal and appall are synonyms defined as:

appal and appall: fill with apprehension or alarm; cause to be unpleasantly surprised

Other synonyms of appal include alarm, dismay, horrify.

appal (verb)	appall (verb)
strike with disgust or revulsion	strike with disgust or revulsion
fill with apprehension or alarm; cause to be unpleasantly surprised	fill with apprehension or alarm; cause to be unpleasantly surprised