Quenya 

runda

smooth, polished

runda (1) adj. "smooth, polished" (PE17:89)

runda

rough piece of wood

runda (2) noun "rough piece of wood" (RUD)

runda

adjective. smooth, polished

passa

smooth, glabrous

passa adj. "smooth, glabrous" (PE17:171)

pasta

smooth

pasta (2) adj. "smooth" (PATH), variant of passa