fatal vs deadly

fatal and deadly both are adjectives.

Word	Noun	Adjective	Verb	Adverb
fatal	No	Yes	No	No
deadly	No	Yes	No	Yes

fatal (adjective)	deadly (adjective)
bringing death	exceedingly harmful
having momentous consequences; of decisive importance	extremely poisonous or injurious; producing venom
controlled or decreed by fate; predetermined	involving loss of divine grace or spiritual death
(of events) having extremely unfortunate or dire consequences; bringing ruin	(of a disease) having a rapid course and violent effect
	causing or capable of causing death
	of an instrument of certain death

fatal (adverb)	deadly (adverb)
	(used as intensives) excessively
	as if dead