Mira
“The wondrous (beauty),” from the Latin minis, wonderful. In astronomy, a remarkably variable star in the constellation Cetus.
Mina
“The imitator,” in allusion to a bird of southeastern Asia, especially of India, having a remarkable ability to mimic human speech; from the Hindu maina. Also spelled Mynah and Myna. Often used as a diminutive of Wilhelmina.