piller

As nouns the difference between piller and mobile

is that piller is (label) a plunderer or thief while mobile is a sculpture or decorative arrangement made of items hanging so that they can move independently from each other ().

As an adjective mobile is

capable of being moved.

As nouns the difference between piller and column

is that piller is (label) a plunderer or thief while column is (architecture) a solid upright structure designed usually to support a larger structure above it, such as a roof or horizontal beam, but sometimes for decoration.

As nouns the difference between pillar and piller

is that pillar is (architecture) a large post, often used as supporting architecture while piller is (label) a plunderer or thief.

As a verb pillar

is to provide with pillars or added strength as if from pillars.