SCRAMBLE ONE
Credit: GAMES Magazine - July/Aug 1979
Will Shortz

Re-arrange the letters of one word in each set to make a synonym of the other two. The anagrammed  word can be any one of the three. For example, given the set

Climate..........Endure..........Wreathe,

the answer would be Weather - an anagram of Wreathe and a synonym for both Climate and Endure - as in the weather outside and to weather a difficult situation.

1. Rating..........Raged..........Slope
2. Slide..........Seashore..........Ascot
3. Rescue..........Obtain..........Protected
4. Catalogue..........Life..........Scrape
5. Scented..........Ancestry..........Drop
6. Faith..........Cartel..........Strut
7. Skinny..........Lane..........Incline
8. Roved..........Motivated..........Herd
9. Rain..........Cause..........Peripatetic
10. Diet..........Bound..........Even

HINTS:
The words that need to be re-arranged are:
1. Raged 
2. Ascot
3. Rescue
4. Life
5. Scented
6. Strut
7. Lane
8. Roved
9. Peripatetic
10. Diet

Answers:

1. Grade
2. Coast
3. Secure
4. File
5. Descent
6. Trust
7. Lean
8. Drove
9. Precipitate
10. Tied