Matching Pairs Nouns with different meanings in Singular and PluralOnline version Some Latin nouns have different meaning in sing. and plur. by Robin Schweitzer 1 castrum, fort 2 littera, letter of alphabet 3 finis, end 4 copia, plenty 5 aedes, temple 6 impedimentum 7 ludus, school, play 8 opem, help 9 sal, salt 10 auxilium, help 11 gratia, favour 12 fortuna, fortune 13 pars, part epistle, literature forces camp boundary houses games baggage sales, wit allied troops faction, role possessions wealth thanks