NPR Weekend Edition Sunday Puzzle
May 28, 2017
Will Shortz

Each six-letter word below can be changed into an eight-letter word by inserting two consecutive letters exactly in the middle of the word. For example, given the clue word INNATE, you could insert OV between the second N and the A to get INNOVATE.

1. ARGENT
2. VANISH
3. CORRAL
4. ROSARY
5. PANAMA
6. OFFING
7. CARNAL
8. CRUDER
9. MANURE
10. SUBTLE
11. THOUGH
12. ESTATE
13. CHAISE

Answers:

1. ARGUMENT
2. VANQUISH
3. CORPORAL 
4. ROSEMARY
5. PANORAMA
6. OFFERING
7. CARDINAL
8. CRUSADER
9. MANICURE
10. SUBTITLE
11. THOROUGH
12. ESTIMATE
13. CHASTISE