Cases of word usage

1) to cause winds, storms, floods, pain etc to become less (abate)

2) to cause a person to end a pregnancy before the fetus is fully developed (abort)

3) to cause something to become greater in number or quantity (accumulate)

4) to cause (an effect) to operate (activate)

5) to cause bodily or mental harm to (a person, animal, plant) (afflict)

6) to cause (a person) to become unfriendly or indifferent (by unpopular or unpleasant actions) (alienate)

7) (to cause things, people) to be arranged in a straight line (align)

8) (to cause businesses, societies, groups of people) to join together (amalgamate)

9) (to cause a condition etc) to become better; improve (the usual word) (ameliorate)

10) to cause (a marriage agreements, a law etc) to exist no longer (annul)