конкурентныйcompetivus [a, um];
угольcarbo [onis, m];
валунlapis [idis, m]
abruptus [a, um];subitus [a, um] (bellum;tempestas;casus subitam avertere curam);subitaneus [a, um] (imber;timor);improvisus [a, um];inexspectatus [a, um];inopinatus [a, um];repentinus [a, um];