Planao, I cause to wander; planet.
Poieo, I make; poet, poetic, pharmacopœia.
Polis, a city; Constantinople, metropolis.
Polus, many; polytheist, Polynesia, polyanthus.
Pous (pŏd-os), a foot; antipodes.
Pur, fire; pyrotechnic, pyre.
Rheo, I flow; rhetoric, catarrh, rheumatic.
Skŏpeo, I see; microscope, telescope, spectroscope, bishop [from episkopos, an overseer].
Sophia, wisdom; sophist, philosophy.
Stello, I send; apostle, epistle.