liar / lier / lyre [lair]
liar – n. – an untruthful person who tells falsehoods, especially when it is habitual
lier – n. – 1. one who remains in a horizontal or recumbant position; 2. one who waits in ambush for others
lyre – n. – 1. an ancient type of harp used to accompany songs and story-telling; 2. as a symbol of ancient poetry; 3. the Manx shearwater, Puffinus anglorum