Man pages matching name rpc.yppasswdd in section 8:

rpc.yppasswdd.8.ja	debian 10 / manpages-ja
rpc.yppasswdd.8.en	debian 10 / nis
rpc.yppasswdd.8.ja	debian 11 / manpages-ja
rpc.yppasswdd.8.en	debian 11 / ypserv
rpc.yppasswdd.8.ja	debian 12 / manpages-ja
rpc.yppasswdd.8.en	debian 12 / ypserv