a, o, l, z, i are letters that make 'Lao-zi'
la, Lao, LA, La are words within 'Lao-zi'
1 possible definitions for 'Lao-zi'
Under this definition, lao-zi is a noun and has the following properties:
Lao-tzu, Lao-tse have the same meaning as 'Lao-zi'
'Lao-zi' can be considered an instance of philosopher.