Expiable :: Expiable (a.) Capable of being expiated or atoned for; as, an expiable offense; expiable guilt..
Expiate :: Expiate (v. t.) To extinguish the guilt of by sufferance of penalty or some equivalent; to make complete satisfaction for; to atone for; to make amends for; to make expiation for; as, to expiate a crime, a guilt, or sin..
Expiate :: Expiate (v. t.) To purify with sacred rites.