- rupture, subroutine,
supereruption rur- countryside, farm
Latin rūs, rūris nonrural,
roister, roisterous, rural, rustic, rusticate, rustication, rusticity...
- crag, rock rupestrine,
rupicolous rūs rūr- countryside, farm nonrural,
roister, roisterous, rural, rustic, rusticate, rustication,
rusticity sacer sacr-...