There is no prefix for with, not even a suffix.
No, awfully does not have a prefix. It would be aw, but that is not a recognizable prefix.
A prefix would be In- for incapacitated.
the prefix would be -an and the suffix would be -aemia
the prefix is the first part of a word so for injustice( In) would be the prefix
One prefix would be impolite.
One prefix would be meso
No, the word "help" does not have a prefix. It is a standalone word.
One prefix would be "im", as in impersonal.
The prefix is -in, as in "incapable."
One prefix would be un-, as in unimaginable.
Disappoint or Reappoint
One prefix would be impolite.