1. gold & ear -> old & gear

2. stable & oil -> table & soil

3. bring & all ->  ring & ball

4. could & for -> cold & four

5. slay & nail -> lay & snail

6. drive & tip -> rive & drip

7. swing & ink -> wing & sink

8. along & try -> long & tray

9. chart & art -> hart & cart

10. beard & ate -> bear & date