The seven phrases below each conceal a different example of the same thing. Can you determine what it is?

1. SOME GAVE ALL

2. PATRIOT ACT

3. PARKER HOUSE ROLL

4. UNDER THE TABLE

5. INITIAL PHASES

6. SANDWICH ISLANDS

7. WHOOPS IT UP

Answer:

 

Hidden in each phrase is a letter of the Greek alphabet:

 

1. sOME GAve all

2. patrIOT Act

3. parkeR HOuse roll

4. under THE TAble

5. initiAL PHAses

6. sandwiCH Ilands

7. whooPS It up