взаимозаменямый
intermutabilis [e]; rec
тростник
calamus [i, m]
пятнистый
maculatus [us, m];
usus [us, m] (rei militaris, in re militari;
usus est magister optimus);
exercitatio [onis, f];
assuetudo [inis, f];
consuetudo [inis, f];
habitus [us, m];