Hydroxyl -OH is Hydrophilic (attracts water). This is due to the electronegativity of the oxygen atom in -OH which makes the functional group polar. This polarity attracts the also polar H2O molecule...
Water is the only common thing. Phobic, in this case, means that water is not being used. Hydrophobia is another name for rabies, since the animal would be unable to swallow. Philic, here, means that...