The Carian word mso-
Word mso-
m s o
Transliteration mso
Meaning god
See also Carian: msnord- ‘place name’

Comments
In the Luwic Group (Luwian, Lycian, Milyan and Sidetic) of languages the word for god appears as Massan, Mahana, Masa, Masara.

Dionysos in Caria is attested with the name 'Μασσαρις'

Other words that might be of interest
trq(u)δ ‘god tarhuntas’, ntro- ‘god apollo’, osogo ‘god zeus’