Boarders rhymes with:
border's, borders, border's, borders, disorders, order's, orders, recorders, warders, border's, borders, camcorders, disorders, harders, order's, orders, recorders, snowboarders, warders
Boarders sounds like:
bardrick, birders, border's, borders, breeders, breeders', broadrick, broder's, broderick, broderick's, brodrick, brother's, brothers, brothers', brothers's