Man pages matching name sum in section 1:

sum.1.en	debian 10 / coreutils
sum.1.de	debian 10 / manpages-de
sum.1.hu	debian 10 / manpages-hu
sum.1.ja	debian 10 / manpages-ja
sum.1.pl	debian 10 / manpages-pl
sum.1.tr	debian 10 / manpages-tr
sum.1.zh_CN	debian 10 / manpages-zh
sum.1.zh_TW	debian 10 / manpages-zh
sum.1.en	debian 11 / coreutils
sum.1.de	debian 11 / manpages-de
sum.1.es	debian 11 / manpages-es
sum.1.fr	debian 11 / manpages-fr
sum.1.hu	debian 11 / manpages-hu
sum.1.ja	debian 11 / manpages-ja
sum.1.mk	debian 11 / manpages-mk
sum.1.nl	debian 11 / manpages-nl
sum.1.pl	debian 11 / manpages-pl
sum.1.tr	debian 11 / manpages-tr
sum.1.zh_CN	debian 11 / manpages-zh
sum.1.zh_TW	debian 11 / manpages-zh
sum.1.en	debian 12 / coreutils
sum.1.da	debian 12 / manpages-da
sum.1.de	debian 12 / manpages-de
sum.1.es	debian 12 / manpages-es
sum.1.fr	debian 12 / manpages-fr
sum.1.hu	debian 12 / manpages-hu
sum.1.ja	debian 12 / manpages-ja
sum.1.mk	debian 12 / manpages-mk
sum.1.nb	debian 12 / manpages-nb
sum.1.nl	debian 12 / manpages-nl
sum.1.pl	debian 12 / manpages-pl
sum.1.sr	debian 12 / manpages-sr
sum.1.sv	debian 12 / manpages-sv
sum.1.tr	debian 12 / manpages-tr
sum.1.vi	debian 12 / manpages-vi
sum.1.zh_CN	debian 12 / manpages-zh
sum.1.zh_TW	debian 12 / manpages-zh