#contigo#, with you.
#continuar#, to continue.
#contra#, against.
#contrariedad#, f. opposition.
#contrario, -a#, contrary; #al—#, or #por el —#, on the contrary.
#contrarrestar#, to resist, oppose.
#convencer#, to convince.
#conveniente#, expedient.
#convenir#, to be suitable.
#convertir#, to change, transform.