rat / wrat [ræt]
rat – n. & v. – n. – 1. any rodent of the genus, Rattus; 2. other rodents of the family muridae; 3. any mammal that resembles these; 4. a dishonest or deceitful person; 5. someone who changes loyalties; 6. an informant; 7. a furrow, mark, scratch; 8. a small line of soldiers; v. – 1. tear apart; 2. scratch, score; 3. express exasperation or disbelief; 4. desert, abandon, betray
wrat – n. – a small, round, dry excrescence of the skin, more common in young people, a wart; 2. a condyloma; 3. a normal callous on the legs of livestock; 4. Botany a rounded, protuberance on a plant surface