ALE - An intoxicating liquor made from an infusion of malt by fermentation and the addition of a bitter, usually hops.
APE - A primate of the clade Hominoidea, generally larger than monkeys and distinguished from them by having no tail.
APP - An application (program), especially a small one designed for a mobile device.
LAP - The loose part of a coat; the lower part of a garment that plays loosely; a skirt; an apron.
PAL - A friend, buddy, mate, cobber, someone to hang around with.
PEA - A plant, member of the legume (Fabaceae) family.
PEP - To inject with energy and enthusiasm.
PAP - Food in the form of a soft paste, often a porridge, especially as given to very young children.
LEAP - To jump from one location to another.
PALE - Light in color.
PAPA - Dad, daddy, father; a familiar or old-fashioned term of address to one's father.
PLEA - An appeal, petition, urgent prayer or entreaty.
PEAL - A loud sound, or a succession of loud sounds, as of bells, thunder, cannon, shouts, laughter, of a multitude, etc.
APPLE - A common, round fruit produced by the tree Malus domestica, cultivated in temperate climates.
PAPAL - Having to do with the pope or the papacy.
APPEAL - To accuse (someone of something).