The answers to the clues below conceal related words. Can you spot them?

1. Fifteen minutes
2. Household chore before meals, perhaps
3. Anti-terrorism legislation of 2001
4. Fresh source of produce in your own backyard
5. Instruction on a prescription, perhaps
6. Job for a Scottish lass, perhaps

Answers:

1. Quarter hour
2. Set the table
3. Patriot Act
4. Home garden
5. To be taken with food
6. Model tartans

What the answer words conceal:

Hidden in each answer is the name of a Greek letter:

1. quarteR HOur
2. seT HE TAble
3. patrIOT Act
4. hOME GArden 
5. to BE TAken
6. moDEL TArtans

Credit:
Barry C. Silk (#1-4)
"IT'S ALL HELLENIC TO ME!"