inevitable accident vs vis major

inevitable accident and vis major both are nouns.

Word	Noun	Adjective	Verb	Adverb
inevitable accident	Yes	No	No	No
vis major	Yes	No	No	No

As nouns, inevitable accident and vis major are synonyms defined as:

inevitable accident and vis major: a natural and unavoidable catastrophe that interrupts the expected course of events

Other synonyms of inevitable accident include act of God, force majeure, unavoidable casualty.

inevitable accident (noun)	vis major (noun)
a natural and unavoidable catastrophe that interrupts the expected course of events	a natural and unavoidable catastrophe that interrupts the expected course of events