Crossword solverSynonyms for osteoblastoma5 crossword answers for “osteoblastoma” (13), sorted by letter count.How many letters?All511112117118120111 letters 1benign tumor(6,5)12 letters 1benign tumour(6,6)17 letters 1nonmalignant tumor(12,5)18 letters 1nonmalignant tumour(12,6)20 letters 1nonmalignant neoplasm(12,8)