Conversely , the Thai alphabet continued to evolve , but the scripts still share similarities .
This script , sometimes known as Tai Noi , has changed little since its inception and continued use in the Lao - speaking regions of modern - day Laos and Isan .
The Thai alphabet continued to evolve , but the scripts still share similarities .
This script , sometimes known as Tai Noi , has changed little since its inception and continued use in the Lao - speaking regions of modern - day Laos and Isan .