expert
wet
Egypt is a country that ends in the letter t.
Tarantella is a 10 letter word. It begins with the letter T and ends with the letter A.
Quaint is a 6 letter word that begins with the letter q and ends with t.
A teapot
titty
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
A word that fits your criteria is "tolerant." It begins with 't' and ends with 't,' and it conveys the idea of being accepting of others and their differences.
Kuwait.
honest