Man pages matching name sync in section 8:

sync.8.es	debian 10 / manpages-es
sync.8.hu	debian 10 / manpages-hu
sync.8.pt	debian 10 / manpages-pt-dev
sync.8.hu	debian 11 / manpages-hu
sync.8.pt	debian 11 / manpages-pt-dev