* Co-: Meaning "jointly" or "together". "Coordinate" is a common example, meaning to work together or to arrange things in a related way.
* Sub-: Meaning "under" or "below". "Subordinate" is a common example, meaning someone of lower rank or less important.
* Ab-: Meaning "away from" or "not". "Abordinate" could be used to mean "not in order" or "deviating from the norm".
* Pre-: Meaning "before" or "in advance". "Preordinate" could be used to mean "to determine in advance" or "to pre-arrange".
* Inter-: Meaning "between" or "among". "Interordinate" could be used to refer to something that relates to two or more ordinates.
The best prefix to use depends on the specific context and the meaning you want to convey.