Cases of word usage

1) on, in, onto or into a ship, plane, or a plane or coach (aboard)

2) take a child into one's family is a son or daughter, with the legal responsibilities of a parent (adopt)

3) to let or put air into (something) (aerate)

4) Acquired Immune Deficiency Syndrome (a very dangerous disease passed into the blood through sexual intercourse, syringe needles already used by an infected person etc) (AIDS)

5) (e.g. of a book, character, situation) separation into parts possibly with comment and judgement (analysis)

6) iron block on which heated metal is hammered into shape (anvil)

7) an opening especially one that admits light into a camera (aperture)

8) the come into view, become visible (appear)

9) to become into existence; be noticed (arise)

10) a small animal of South America with a shell of bony plates, able to roll itself into a ball when attacked (armadillo)