Cases of word usage

1) happening by chance (casual)

2) intentional and not by chance (deliberate)

3) happening by happy chance (fortuitous)

4) (an attempt or activity with) a risk of loss or a chance of profit; to play games to try to win money (gamble)

5) to put (a person, chance etc) in a dangerous position (jeopardize)

6) something that happens (good or bad) by chance (luck)

7) a favourable time or chance (opportunity)

8) to hear (a person, conversation etc) without the knowledge of the speaker(s), deliberately or by chance (overhear)

9) uncertain; unsafe; depending on chance (precarious)

10) to go about quietly looking for a chance to get food (as wild animals do) or to steal etc (prowl)