Man pages matching name showfont in section 1:

showfont.1.zh_CN	debian 10 / manpages-zh
showfont.1.zh_TW	debian 10 / manpages-zh
showfont.1.en	debian 10 / x11-xfs-utils
showfont.1.zh_CN	debian 11 / manpages-zh
showfont.1.zh_TW	debian 11 / manpages-zh
showfont.1.en	debian 11 / x11-xfs-utils
showfont.1.zh_CN	debian 12 / manpages-zh
showfont.1.zh_TW	debian 12 / manpages-zh
showfont.1.en	debian 12 / x11-xfs-utils