Crossword solverSynonyms for blood serum8 crossword answers for “blood serum” (5,5), sorted by letter count.How many letters?All8526181921111915 letters 2humorserum6 letters 1humour8 letters 1milk whey(4,4)9 letters 2body fluid(4,5)antiserum11 letters 1bodily fluid(6,5)19 letters 1liquid body substance(6,4,9)