Os (ōr-is), the mouth; oral, adore.
Os (Oss-is), bone; ossify, ossification.
Pando (pans-um or pass-um), I spread; expand, expanse, compass.
Pango (pact-um), I fix; compact, impinge.
Panis, bread; pantry, pannier, company.
Par, equal; (pair), par, parity.
Pareo, I appear; apparent, apparition.
Paro (parat-um), I prepare; prepare, repair, apparatus.
Pars (part-is), a part; partition, particle.
Pasco (past-um), I feed; repast, pastor.