panic vs gross out

panic is a noun but gross out is not a noun.

Word	Noun	Adjective	Verb	Adverb
panic	Yes	No	Yes	No
gross out	No	No	Yes	No

As verbs, gross out is a hyponym of panic; that is, gross out is a word with a more specific, narrower meaning than panic:

Other hyponyms of panic include freak, freak out.

panic (noun)	gross out (noun)
an overwhelming feeling of fear and anxiety
sudden mass fear and anxiety over anticipated events

panic (verb)	gross out (verb)
be overcome by a sudden fear	lose one's nerve
cause sudden fear in or fill with sudden panic	fill with distaste