mesonychid

As nouns the difference between terms and mesonychid

is that terms is while mesonychid is (biology) an extinct carnivore of the order (taxlink) .

As a proper noun carnivore

is a computer system designed by the fbi to monitor e-mail and electronic communications.

As a noun mesonychid is

(biology) an extinct carnivore of the order (taxlink) .

As an adjective extinct

is (dated) extinguished, no longer alight (of fire, candles etc).

As a noun mesonychid is

(biology) an extinct carnivore of the order (taxlink) .