sacred vs inviolable

sacred and inviolable both are adjectives.

Word	Noun	Adjective	Verb	Adverb
sacred	No	Yes	No	No
inviolable	No	Yes	No	No

sacred (adjective)	inviolable (adjective)
concerned with religion or religious purposes	incapable of being transgressed or dishonored
(often followed by `to') devoted exclusively to a single use or purpose or person	not capable of being violated or infringed
made or declared or believed to be holy; devoted to a deity or some religious ceremony or use	immune to attack; incapable of being tampered with
worthy of respect or dedication	must be kept sacred
worthy of religious veneration