Word Pairs Differing in a Single Letter
Credit: Word Ways
A. Ross Eckler

The answers to the clues below differ by a single letter. Some of the definitions may not be exact.

1. An animal and the name of the sound it makes
2. Domestic animal and farm animal
3. Income and "getting even"
4. Type of fuel and persuade
5. Old man and the unexpected
6. Irritate and angry
7. Celebrated and did not succeed
8. Playground staple and court action
9. Merit and caution
10. Specialist and to ship overseas
11. Bargain and device controlling flow

Answers:

1. COW - LOW
2. DOG - HOG 
3. REVENUE - REVENGE
4. COAL - COAX
5. CRONY - IRONY
6. GRATE - IRATE
7. FABLED - FAILED
8. SWING - SUING
9. EARN - WARN
10. EXPERT - EXPORT
11. VALUE - VALVE