Three of a Kind

The word in each set below share a single feature. For example,  a compass, a phonograph, & a pine tree all have… needles. The triplets below are tougher, but here’s a clue:  each answer is a seven-letter plural ending in S.

1.       thermometer, university, graduate, location on a globe

2.       mattress, health resort, stapler

3.       television, cinema, basketball team on the offense

4.       Greek building, newspaper, marching army

5.       river, nose, denture

6.       ion, credit card bill, cavalry

7.       tennis player, noisy party, mafia ring

8.       weather, locker room, bride before her wedding

9.       magazine, bed, peanut butter

10.   crossword puzzle, post office, to the editor

Answers:

1.       Degrees

2.       Springs

3.       Screens

4.       Columns

5.       Bridges

6.       Charges

7.       Rackets

8.       Showers

9.       Spreads

10.   letters