MISSING LINK CCXXVII

Each trio of words below shares a Missing Link - that is, its members have something in common. For example, RIVERS, NOSES, & VIOLINS can all have BRIDGES.

1. Map..........Fish..........Gym
2. Rat..........Arms..........Drag
3. Whip..........Joke..........Safe
4. Blue..........Gray..........White
5. Eyes..........Eggs..........Laundry
6. Venus..........Monday..........February
7. Battery..........Matador..........Suspect
8. Christmas..........Time..........Abraham
9. Baseball..........Football..........Prisons
10. Old Testament..........Beauty contest..........Dog show

Answers:

1. They all have scales
2. Kinds of races
3. Things you can crack
4. Whales
5. They have whites
6. They're second in well-known lists
7. They can be charged
8. Father
9. They all have guards
10. They have judges