Add T as a prefix to the first word and you get the second word.

-1. T with precipitation makes a popular form of transport. 5 letters

-2. T and a gun are very little. 6

-3. T with rest is to playfully torment. 5

-4. T with a circular current of water is a woolly toy bear. 5

-5. T with a beverage makes a story. 4

6. T with a polite request is hard labour. 4

7. A craft and T make a delicious pie. 4

-8. T with a figure in geometry makes a confused interwoven mass. 6

-9. T with everything gains in height. 4

-10. T with recklessness is pure rubbish. 5

10. trash

Thanks ob.

1. Train - Hi Curly

Bernie

3. tease

2. (or a dessert) trifle

salut Remi

Thanks. Bonjour Kevin.

4 - teddy

8. tangle

5. tale

Thanks.

9. tall

Thanks Marian.

6. tart

6. task

Thanks.