"User accounts" or "users account?"account"

Is it correct to say "user accounts"user accounts or "users account",users account when referring to the accounts any user has on a site like this one?
In

In general, in the case of a noun that is used as adjective for the noun that follows, is it better to use <plural-noun> <singular-noun> or <singular-noun> <plural-noun>?

"User accounts" or "users account?"

Is it correct to say "user accounts" or "users account", when referring to the accounts any user has on a site like this one?
In general, in the case of a noun that is used as adjective for the noun that follows, is it better to use <plural-noun> <singular-noun> or <singular-noun> <plural-noun>?

"User accounts" or "users account"

Is it correct to say user accounts or users account when referring to the accounts any user has on a site like this one?

In general, in the case of a noun that is used as adjective for the noun that follows, is it better to use <plural-noun> <singular-noun> or <singular-noun> <plural-noun>?