cuckoo / cucu / kuku [ˈku:ku:]
cuckoo – adj. & n. – 1. any of various birds of the family Cuculidae
cucu – n. – either of two American shorebirds, the greater, Tringa melanoleuca, or lesser yellowlegs, Tringa flavipe
kuku – n. – a New Zealand fruit dove, Hemiphaga novea-zeelandiae