yǎo
(literary) deep; profound; dim (variant of 杳[yao3])
窈冥
yǎo míng
variant of 杳冥[yao3 ming2]
窈窈
yǎo yǎo
obscure
窈窕
yǎo tiǎo
(literary) (of a woman) graceful and refined; comely; (esp.) slender; slim
窈霭
yǎo ǎi
variant of 杳靄|杳霭[yao3 ai3]