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accuratus [a, um];
diligens [ntis];
exactus [a, um];
navus [a, um] (homo navus et industrius;
rudimenta;
opera);
acerbus [a, um] (inquisitio;
diligentia);
exquisîtus [a, um] (dicendi genus);
tersus [a, um] (auctor;
opus);
subtilis [e] (definitio);