pos·co^[1]

ex post – from after
ex post facto – from a thing done afterward
post aut propter – after it or by means of it
post cibum (p.c.) – after food
post coitum – After sex
post coitum omne animal triste est sive gallus et mulier – After sexual intercourse every animal is sad, except the cock (rooster) and the woman
post festum – after the feast
post hoc ergo propter hoc – after this, therefore because of this
post meridiem (p.m.) – after midday
post mortem (pm) – after death

peto – beg, demand, go to, relate to, request, seek, seek out, strive after, to ask for, to make for, to sue for
postulatio – a demand, complaint, desire, request
precis – entreaty, prayer, request
prex – entreaty, prayer, request

pos·co[1]