The answers to the four phrases below, numbered 1-4, can be matched with the answers to the four phrases below them,  labeled a - d.  Each set of matched answers will have something in common. Phrases a - d are in random order. What are the matches and how are they related?

1. Ear part

2. Box lightly 

3. Throw a stone on ice

4. One-time school shop offering

 

a. Court

b. Health resort 

c. High arc

d. Mongrel dog

Answers:

 

Ear part - Lobe

High arc - Lob

 

Box lightly - - - Spar

Health resort - Spa 

 

Throw a stone of ice - Curl

Mongrel dog - - - - - - Cur 

 

One-time school shop offering - Wood

Court - - - - - - - - - - - - - - - - - -  Woo 

The answers to clues 1-4 are curtailed (last letter dropped) to get the answers to clues a - d.