powder, v. [pulverize], triturate, comminute, levigate.
powdery, a. friable, [loose]; [dusty], pulverized, pulverulent, [mealy].
power, n. potency, [might], cogency, [efficacy], [force]; armipotence, omnipotence; [influence], [sway], [command], [domination], [authority]; [faculty], [endowment], [gift].
powerful, a. [mighty], [potent], drastic, [efficacious], [intense], [strong], dynamic, puissant, [effective], omnipotent, armipotent, stentorian, [invincible], [cogent], [commanding].
powerless, a. impotent. See weak.
pox, n. syphilis.
practicability, n. [feasibility].
practical, a. pragmatical. Antonyms: impractical, [Utopian], chimerical.
practice, n. [custom], [usage], habit; [exercise], [application], [drill], rehearsal.
practice, v. [exercise], [apply], [do], [train], [drill], rehearse.