in any case vs in any event

in any case and in any event both are adverbs.

Word	Noun	Adjective	Verb	Adverb
in any case	No	No	No	Yes
in any event	No	No	No	Yes

As adverbs, in any case and in any event are synonyms defined as:

in any case and in any event: used to indicate that a statement explains or supports a previous statement

Other synonyms of in any case include anyhow, anyway, anyways, at any rate.

in any case (adverb)	in any event (adverb)
used to indicate that a statement explains or supports a previous statement	used to indicate that a statement explains or supports a previous statement
making an additional point; anyway