it's a nice idea, but i'm pretty sure it's all abaout the latin... look
celestia in italian is similar to "cielo" (sky), but in latin it means sunlight
Luna both in italian and in latin means moon
alicorn, "ali" is an italian (and latin) plural form of "ala" wich means in fact wing, so "ala" is wing, "ali" is wings... unicron + wings!
princess miamora cadenza it's an other example