In this teaser you’ve got been given two (2) clues in every line. Each reply to the clue includes six (6) letters. Each 6-letter phrase differs by just one (1) letter, which I’ve given you. Your job is to find the solutions to the clues offered. The order of the letters don’t change.

Example:

Remove _ _ _ I _ _ / _ _ _ U _ _ Justify

Answer:

E X C (I) S E / E X C (U) S E

1. Confuse R _ _ _ _ _ / C _ _ _ _ _ Bovines

2. Invent _ _ _ _ T _ / _ _ _ _ S _ Furrow

3. Endured _ A _ _ _ _ / _ I _ _ _ _ Tilted

4. Joking _ _ N _ _ _ / _ _ R _ _ _ Bargain