тайком
clanculum;
clam;
occulte;
доходный
uber [e]ra [e]rum
быстродействующий
celer [e]ra [e]rum
subringi [or,-]; frontem rugare [1] / corrugare [1] ; vultum corrugare [1] / contrahere [o, xi, ctum] / obducere [o, xi, ctum] ; subducere supercilia; in sinus vel rugas contrahi [or, ctus sum]; replicari [or, atus sum] in rugas;