pile, v. [heap], [stack], accumulate.
piles, n. hemorrhoids.
pilfer, v. filch, purloin.
pilfering, n. filching, [theft], pilfery.
pilgrim, n. [wayfarer], [traveler], sojourner, crusader.
pilgrimage, n. [journey], expedition, sojourn, crusade.
pilgrim's staff. bourdon.
pillage, n. [devastation], plundering, [rapine], spoliation; [spoil], [plunder], [booty], [loot].
pillage, v. [sack], [plunder], despoil, [devastate], [foray].
pillar, n. [column], [pier], [shaft], [post], [obelisk], monolith; [supporter], maintainer.