a, l, n, h, u are letters that make 'nullah'
null, la, lah, nu, Ull, LA, La are words within 'nullah'
nullahs is a word created by adding a letter to 'nullah'
1 possible definitions for 'nullah'
Under this definition, nullah is a noun and has the following properties:
'nullah' can be a type of valley, vale.