As verbs the difference between billing and milling
is that billing is present participle of lang=en while milling is present participle of lang=en.
As nouns the difference between billing and milling
is that billing is amounts billed while milling is the series of notches around the edge of a coin, placed there during minting so that it can be told if some of the metal from the edge is removed. Removing metal from a coin was common practice during earlier times when coins made of precious metals circulated.
billing
English
Verb
(head)
Noun
(
en noun)
Amounts billed
Accounts receivable
milling
English
Noun
(
en noun)
The series of notches around the edge of a coin, placed there during minting so that it can be told if some of the metal from the edge is removed. Removing metal from a coin was common practice during earlier times when coins made of precious metals circulated.
A grinding process using a mill
Verb
(head)