затруднение
difficultas [atis, f];
пятисотый
quingentesimus [a, um];
потерять
perdere [o, didi,
inordinatus [a, um] ; irregularis [e]; incompositus [a, um] ; inconditus [a, um] ; confusus [a, um] ; perturbatus [a, um] ; turbulentus [a, um] (concursio atomorum); tumultuarius [a, um] ;