| A | B |
|---|
| subtract | action- to take away, make less |
| subtraction | the subject--the topic of taking things away |
| invent | action- make something new |
| invention | a thing that was created, a new tool or idea |
| express | show your feelings |
| expression | subject--a feeling or attitude |
| collect | to find one kind of thing that you like to keep and look at (rocks, coins, stamps, etc.) |
| collection | subject- the whole group of things you collected |
| infect | make dirty, full of germs |
| infection | the thing you have that is full of germs |
