What does Rose mean?
IS a bloom word: directly the English flower name, from Latin 'rosa' (the rose). Also used historically as a short form of Germanic names with the element 'hrod' (fame), but the enduring modern sense is the flower itself.
What does Luna mean?
Luna is the Latin word for 'moon' and the name of the Roman goddess who personified it, counterpart to the Greek Selene. The meaning is literal and well established.