anyways vs at any rate

anyways and at any rate both are adverbs.

Word	Noun	Adjective	Verb	Adverb
anyways	No	No	No	Yes
at any rate	No	No	No	Yes

As adverbs, anyways and at any rate are synonyms defined as:

anyways and at any rate: used to indicate that a statement explains or supports a previous statement

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

anyways (adverb)	at any rate (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
	if nothing else (`leastwise' is informal and `leastways' is colloquial)