What distinguishing feature differentiates the words in the pairs below?

1. Pica but not elite

2. Nun but not monk

3. Rhoda but not Ronda

4. Taurus but not Capricorn

5. Philosophy but not psychology

6. Chiropractors but not osteopaths 

 

Answer:

 

The first words of each pair begin with the name of a Greek letter: 

 

1. Pi

2. Nu

3. Rho

4. Tau

5. Phi

6. Chi 

 

Credit:

David Diefendorf