As nouns the difference between pavis and pais
is that pavis
is (history|medieval) a large shield carried in front to protect the whole body of the soldier while pais
Other Comparisons: What's the difference?
(history, medieval) A large shield carried in front to protect the whole body of the soldier.
(obsolete, legal) The (people of the) country.
* A trial per pais'' is a trial by the country, i.e. by a jury; and ''matter in pais
is matter triable by the country, or jury.