What is "waje"

'''Aituaje Iruobe ''' (born September 1), known as Waje (an acronym for "Words aren’t just enough"), is a Nigerian singer whose vocal range covers three octaves. She participated in the remake of P-Square’s "Omoge Mi" and featured as the female voice in the duo’s 2008 hit track “Do Me". She was also featured on Banky W's "Thief My Kele" and M.I's "One Naira". In 2016, she was one of the four judges in the inaugural season of The Voice Nigeria.