act of God vs force majeure

act of God and force majeure both are nouns.

Word	Noun	Adjective	Verb	Adverb
act of God	Yes	No	No	No
force majeure	Yes	No	No	No

As nouns, act of God and force majeure are synonyms defined as:

act of God and force majeure: a natural and unavoidable catastrophe that interrupts the expected course of events

Other synonyms of act of God include inevitable accident, unavoidable casualty, vis major.

act of God (noun)	force majeure (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