success
envelope
One word that fits your criteria is "distant." It starts with the letter 'd,' ends with 't,' and contains seven letters.
Envolope simple.
* eve * ewe
The word is teapot. The word starts and ends with the letter t. The teapot contains tea.
electee, ennuyee, escapee, evacuee, evictee
A word that starts with y and ends with y is yay .
A seven letter word that starts with D and ends with T: decrypt
An eight letter word that starts with S and ends with T: satiristshortestsmallestsmarteststagnantstalwartstiffeststridentsubtract
Sandman (starts with S ends with N - 7 letter word)
Cash is a 4 letter word that starts with c and ends with h.
Domain is one of the words that starts with the letter D and ends with the letter N.