also comeupance, "one's deserts, reversal or punishment that one deserves," 1859, presumably it is rooted in the same notion in the verbal phrase come up "present oneself for judgment before a tribunal" (see come + up (adv.)) + -ance.
come-outer
comer
comestible
comet
cometh
comeuppance
comfit
comfort
comfortable
comfortably
comforter