NPR Weekend Edition Sunday Puzzle
January 21, 2018
Will Shortz

The four-letter words below can be changed into six-letter words by adding one letter at the front and one letter at the back. No other change to the four-letter word is necessary. For example, given the word LANE, you could add a P in front and a T at the back to get PLANET.

1. MOOT
2. HANG
3. WENT
4. NIGH
5. TREE
6. REFI (refinance)
7. BRAD
8. ONTO
9. CRAW
10. ISLE
11. REST
12. AFAR

Answers:

1. SMOOTH
2. CHANGE
3. TWENTY
4. KNIGHT
5. STREET
6. PREFIX
7. ABRADE
8. WONTON
9. SCRAWL
10. MISLED
11. PRESTO
12. SAFARI