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 finis, end 3 impedimentum 4 pars, part 5 aedes, temple 6 auxilium, help 7 opem, help 8 ludus, school, play 9 copia, plenty 10 fortuna, fortune 11 sal, salt 12 littera, letter of alphabet 13 gratia, favour epistle, literature faction, role boundary houses sales, wit wealth allied troops baggage forces games camp thanks possessions