| A | B |
| cum grano salis | with a grain of salt (i.e. with sketicism) |
| ex tempore | on the spur of the moment; without preparation |
| pro tempore | for the time being; temporarily |
| in loco parentis | in the place of a parent (legal term) |
| lapsus linguae | slip of the tongue |
| quid pro quo | something for something (else) |
| persona non grata | an unwelcome person |
| pater patriae | "father of the fatherland" (special honorific title - e.g. Cicero for uncovering Cataline's Conspiracy in 63 B.C. |
| multum in parvo | much in (something) small |
| ex post facto | done after the fact; retroactive |
| Cave canem! | Beware of the dog! |
| Cave felem! | Beware of the cat! |
| Carpe diem! | Seize the day! (Horace) |
| ars longa, vita brevis | art is long(lasting), life is short |
| rara avis | a rare bird (an exceptional person) |
| ad lib. | (ad libitum) - at pleasure; at will |
| ad lib (used as a verb) | to speak extemporaneously; to improvise |
| et al. | (et alii) and others/ (et alia) and other things |
| ad astra per aspera | (Kansas) to the stars through difficulties |
| cedant arma togae | (Wyoming) let arms yield to the toga. |
| dum spiro, spero | (S. Carolina) While I breath I hope. |
| Veritas | (Harvard) Truth |
| Lux et Veritas | (Yale) Light and truth |
| modus operandi | manner of operating (police and detectives refer to a criminal's "m.o." which is his pattern of criminality |