Solution to Hashi It Out

CUSPS DELVE DISKS IMPLY MORON OLDEN ORBIT RADAR ROTOR SENSE SMASH UNIFY WALTZ

Each island in the solved Hashi puzzle corresponds to one word in the column on the right. Two islands have one or two connecting bridges if the corresponding words share one or two letters in the same positions. Read the letters on the double bridges to spell out the answer, ROSES.