at least vs leastways

at least and leastways both are adverbs.

Word	Noun	Adjective	Verb	Adverb
at least	No	No	No	Yes
leastways	No	No	No	Yes

As adverbs, at least and leastways are synonyms defined as:

at least and leastways: if nothing else (`leastwise' is informal and `leastways' is colloquial)

Other synonyms of at least include at any rate, leastwise.

at least (adverb)	leastways (adverb)
not less than	if nothing else (`leastwise' is informal and `leastways' is colloquial)
if nothing else (`leastwise' is informal and `leastways' is colloquial)