D2E1C3E1R1T1I1F4Y4I1N1G2
22 points
DECERTIFYING is validvalid
DECERTIFY, [v DECERTIFIED, DECERTIFIES, DECERTIFYING] : DECERTIFICATION [v]
DECERTIFY, to withdraw or revoke the certification of [v]
DECERTIFY, [v DECERTIFIED, DECERTIFIES, DECERTIFYING] : DECERTIFICATION [v]
DECERTIFY, to withdraw or revoke the certification of [v]