quid pro quo - this for that⏎
post mortem - after death⏎
pro rata - from the rate⏎
qui tam - abbreviation of qui tam pro domino rege quam pro se ipso in hac parte sequitur, meaning "who pursues in this action as much for the king as himself".⏎
qua - which; as⏎
res gestae - things done⏎
pro tempore - for the time being⏎
pro per - abbreviation of propria persona, meaning "one's own person"⏎
post mortem auctoris - after the author's death⏎
res judicata - a matter judged⏎