Usor:Grufo/Archivum/Nomina agentis

supine stem ends in -t

• supine stem amat- (ama- + -t-),
• masculine amator (ama- + -tor-),
• feminine amatrix (ama- + -tric-),
• neuter *amatrum (ama- + -tro-),
• adjective amatorius, -a, -um ("of the amator/amatrix/amatrum")

supine stem ends in -s (d or t of theme changed to s, ss became s)

• supine stem vis- (VID + -t- to vis-s- to vis-),
• masculine visor (VID + -tor- to vis-sor- to visor-),
• feminine *vistrix (VID + -tric- to vis-tric-),
• neuter *vistrum (VID + -tro- to vis-tro-),
• adjective *visorius, -a, -um ("of the expulsor/expultrix/expultrum")

supine stem ends in -s (c or g of theme disappeared before s, c or g appears as c before t)

• supine stem muls- (MULG + -s- to mul-s-),
• masculine *mulsor (MULG + -sor- to mul-sor-),
• feminine *mulctrix (MULG + -tric- to mulc-tric-),
• neuter mulctrum (MULG + -tro- to mulc-tro-),
• adjective *mulsorius, -a, -um ("of the mulsor/mulctrix/mulctrum")

supine stem ends in -s (s added directly to theme)

• supine stem expuls- (ex-PUL + -s- to expul-s-),
• masculine expulsor (ex-PUL + -sor- to expul-sor-),
• feminine expultrix (ex-PUL + -tric- to expul-tric-),
• neuter *expultrum (ex-PUL + -tro- to expul-tro-),
• adjective expulsorius, -a, -um ("of the expulsor/expultrix/expultrum")

supine stem ends in -ss (d or t or theme changed to s, ss unchanged)

• supine stem possess- (pos-SED + -t- to posses-s-),
• masculine possessor (pos-SED + -tor- to posses-sor-),
• feminine possestrix (pos-SED + -tric- to posses-tric-),
• neuter *possestrum (pos-SED + -tro- to posses-tro-),
• adjective possessorius, -a, -um ("of the possessor/possestrix/possestrum")

supine stem ends in -x (for -cs)

• supine stem crucifix- (cruci-FIG + -s- to fic-s- to fix-),
• masculine crucifixor (cruci-FIG + -s- to fic-s- to fixor-),
• feminine *crucifictrix (cruci-FIG + -tric- to fic-tric-),
• neuter *crucifictrum (cruci-FIG + -tro- to fic-tro-),
• adjective *crucifixorius, -a, -um ("of the crucifixor/crucifictrix/crucifictrum")

Source: http://latindiscussion.com/forum/latin/suffixes-tor-trix-trum.4203/

See also: http://diesgaudii.genvid.com/latin/suffixes/tor/