DIAL - A graduated, circular scale over which a needle moves to show a measurement (such as speed).
DILL - Anethum graveolens (the sole species of the genus Anethum), is a herb, the seeds of which are moderately warming, pungent, and aromatic, and were formerly used as a soothing medicine for children; also known as dillseed.
LAID - Simple past tense and past participle of lay.
PAID - Simple past tense and past participle of pay.
PILL - A small, usually cylindrical object designed for easy swallowing, usually containing some sort of medication.
PAIL - A vessel of wood, tin, plastic, etc., usually cylindrical and having a handle -- used especially for carrying liquids, for example water or milk; a bucket (sometimes with a cover).
PALL - Fine cloth, especially purple cloth used for robes.
PLAID - Having a pattern or colors which resemble a Scottish tartan; checkered or marked with bars or stripes at right angles to one another.
PALLID - Appearing weak, pale, or wan.