MASCULINE FEMININE NEUTER SINGULAR NOM. summus summa summum GEN. summi summae summi DAT. summo summae summo ACC. summum summam summum ABL. summo summa summo PLURAL NOM. summi summae summa GEN. summorum summarum summorum DAT. summis summis summis ACC. summos summas summa ABL. summis summis summis