Toboggan is the word you are looking for. A toboggan is a simple sledge (or sled). It has no runners or skis on the underside and is just used on snow.
tutus
Tippet is a fur cape. It begins with the letter t.
Opening Bids starting with a T is known as a Tender
Teal
Sander Saw Straw Spit (glass blowing, I think) Stand (to hold wood or other material) screw driver sledge hammer safety goggles socket wrench sliding T-bevel
trapezium
A newletter can be called: information sheet; bulletin; circular or newssheet. There is no name for 'newsletter' that starts with 'T.'
Tongariro is probably the one you're looking for.
What is the name of a Mexican dish starting with the letter T?
An abstract noun for fear starting with T is terror.
t rex
A trip.