благородный
nobilis [e]; generosus
ржавчина
ferrugo [inis, f];
поспевать
properare [1];
maturare
probus [a, um] ; probatus [a, um] ; vetus [e]ris (imperator); expertus [a, um] ; experimento probatus [a, um] / exploratus [a, um] ; experientia cognitus [a, um] ;