MISSING LINK LXIV

Each trio of words below shares a Missing Link - that is, its members have something in common, obvious or not. For example, RIVERS, NOSES, & VIOLINS can all have BRIDGES.

1. Starting..........Voting..........Stumbling
2. Knit..........Rope..........Fit
3. Book..........Earth..........Silk
4. Fire..........Water..........Electricity
5. Plans..........Clothes..........Careers
6. Table..........Coat..........Key
7. Number..........Word..........Wand
8. Fast..........Laugh.........Storm
9. Turtle.........Peanut..........Oyster
10. John Adams..........Buzz Aldrin..........Kathryn Howard

Answers:

1. Kinds of blocks
2. Tight
3. Kinds of worms
4. Good slaves, bad masters
5. Things you change 
6. Turn
7. Things that can be magic
8. Kinds of tracks
9. Things that have shells
10. Famous seconds:
     Second President of the United States
     Second man on the moon
     Second of Henry VIII's six wives to be executed