Goddess
Part of speech: noun
Definition: A female god. A human female honored or adored as physically attractive or of superior charm and intelligence. A human female revered as divine, as in the case of the Germanic prophetess Veleda of the first century AD.
Mistress
Part of speech: noun
Definition: a woman, specifically one with control, authority or ownershipa female teachera woman who (dishonorably) displaces a wife in the affections of a man; a woman, other than his wife, with whom a married man has a continuing sexual relationshipa dominatrix