Crossword solverSynonyms for antigen11 crossword answers for “antigen” (7), sorted by letter count.How many letters?All11216182921111231512 letters 1Rh6 letters 1matter8 letters 2Rh factor(2,6)anatoxin9 letters 2substanceimmunogen11 letters 1fetoprotein12 letters 3foetoproteinrhesus factor(6,6)agglutinogen15 letters 1immunizing agent(10,5)