in any case vs anyway

in any case and anyway both are adverbs.

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

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

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

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

in any case (adverb)	anyway (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	in any way whatsoever