Cases of word usage

1) to run about wildly (especially with a desire to kill people) (amok)

2) a kind of animal like a deer, that can run very fast (antelope)

3) an invitation or call to play a game, run a race, have a fight etc to see who is better, stronger etc (challenge)

4) to cause (a train etc) to run off the rails (derail)

5) to run away from home to get married (elope)

6) to run or hurry away (from a place) (flee)

7) to jump and run playfully; to pass the hands over (a person) to search for concealed weapons (frisk)

8) an animal, similar to a rabbit but with long ears, able to run fast (hare)

9) to run faster than (a person, animal) (outrun)

10) of run (ran)