deadly vs unpardonable

deadly and unpardonable both are adjectives.

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

deadly (adjective)	unpardonable (adjective)
exceedingly harmful	not admitting of pardon
extremely poisonous or injurious; producing venom
involving loss of divine grace or spiritual death
(of a disease) having a rapid course and violent effect
causing or capable of causing death
of an instrument of certain death

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