'Soul' and 'moon' are related in other cultures, by cognation or convergence, as in Tibeto-Burman and Proto-Lolo–Burmese *"s/ʼ-la" "moon; soul; spirit", Written Tibetan cognates "bla" "soul" and "zla" "moon", and Proto-Miao–Yao *"bla" "spirit; soul; moon".