C3O1R1R1O1B3O1R1A1T1I1V4E1
20 points
CORROBORATIVE is validvalid
[adj]
serving to corroborate [adj CORROBORATIVELY] / that which serves to corroborate [n -S]
[adj]
serving to corroborate [adj CORROBORATIVELY] / that which serves to corroborate [n -S]