Washbowl, Washpan, and Washtub

BUR #51650 has been rejected.

create alias washpan -> washbowl
create alias washtub -> washbowl

All three tags are being used for largely the same purpose, and there's no real visual difference between the three.

Related topic #30528

This bulk update request is pending automatic rejection in 5 days.

This bulk update request has been rejected because it was not approved within 45 days.

The bulk update request #51650 (forum #402402) has been rejected by @DanbooruBot.