1. Cave

Carve

=> R

2. Hop

Hope

=> E

3. Well

Welly

=> Y

4. Heat

Heart

=> R

5. Harp

Sharp

=> S

6. Red

Read

=> A

7. Arm

Warm

=> W

8. Ear

Bear

=> B

9. Fame

Frame

=> R

10. Sing

Sting

=> T

That is strawberry