leastwise vs leastways

leastwise and leastways both are adverbs.

Word	Noun	Adjective	Verb	Adverb
leastwise	No	No	No	Yes
leastways	No	No	No	Yes

As adverbs, leastwise and leastways are synonyms defined as:

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

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

leastwise (adverb)	leastways (adverb)
if nothing else (`leastwise' is informal and `leastways' is colloquial)	if nothing else (`leastwise' is informal and `leastways' is colloquial)