каменноугольный
carbonifer [e]ra, um;
заразный
contagiosus [a, um]
визит
officium [ii, n];
traditor [oris, m] (alicujus scientiae);
professor [oris, m];
praeceptor [oris, m];
magister [tri, m];
doctor [oris, m];
institutor [oris, m];
instructor [oris, m];