несгибаемость
rigiditas [atis, f];
перепревший
puter, tris, tre;
симбиоз
symbiosis [is/eos, f];
venenum [i, n] (habet suum v. blanda oratio);
toxicum [i, n];
aconitum [i, n];
sanies [ei, f];
medicamen [inis, n];
potio [onis, f];
virus [i, n] (serpentis);