Man pages matching name dumpkeys in section 1:

dumpkeys.1.en	debian 10 / kbd
dumpkeys.1.es	debian 10 / manpages-es-extra
dumpkeys.1.hu	debian 10 / manpages-hu
dumpkeys.1.pl	debian 10 / manpages-pl
dumpkeys.1.zh_CN	debian 10 / manpages-zh
dumpkeys.1.zh_TW	debian 10 / manpages-zh
dumpkeys.1.en	debian 11 / kbd
dumpkeys.1.es	debian 11 / manpages-es
dumpkeys.1.hu	debian 11 / manpages-hu
dumpkeys.1.pl	debian 11 / manpages-pl
dumpkeys.1.zh_CN	debian 11 / manpages-zh
dumpkeys.1.zh_TW	debian 11 / manpages-zh
dumpkeys.1.en	debian 12 / kbd
dumpkeys.1.es	debian 12 / manpages-es
dumpkeys.1.hu	debian 12 / manpages-hu
dumpkeys.1.pl	debian 12 / manpages-pl
dumpkeys.1.zh_CN	debian 12 / manpages-zh
dumpkeys.1.zh_TW	debian 12 / manpages-zh