Polygamy-marriage - terms for spouses by spouses

Where polygamy is allowed, what do the same gender members refer to each other as?

For example, lets take the one man multiple wives. So lets take this as man1, woman1 and woman2.

I would assume that woman1 and woman 2 would refer to man1 as her husband, while man1 would refer to woman1 or woman2 as his wife, and woman1 and woman2 collectively as his wives. - is this correct?

What would woman1 refer to woman2 as?

If is was 1 woman w/ multiple husbands what would man1 refer to man2 as?

Wives can refer to eachother as sister-wives or co-wives. For polyandry it’d be co-husband or brother (polyandry usually involves 2 or more brothers sharing a wife).

I’ve always heard them referred to as sister-wives. There’s even a polygamy-themed book I have somewhere around here called Sister Wife, by, um … Natalie Collins, I think. And her second book is called Wives and Sisters.