Tend, thud, tied, toad, told, trod and turd are 4 letter words that start with T and end with D.
A seven letter word that starts with D and ends with T: decrypt
Tibet =D
A tea pot.
None do so.
Event.
Turnip
yacht.
tentacled
Parrot! :D
darkest
One word that fits your criteria is "distant." It starts with the letter 'd,' ends with 't,' and contains seven letters.