Note: I do not know the definition of "COP".
The following sound alike: cup.  The
following partially match: compressibility,
concentration, concentration mole to volume,
concentration rate, conductance,
conductivity, concentration mass to mass,
concentration volume to volume, cooling duty,
coulomb, coul, cotton bale, cotton bale
Egypt, concentration mass to volume,
concentration volume to mole, conversion
change rate, corrosion rate, coomb, cord,
cord foot.