tatertots
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.
buck
pill pencil
ity + t
Charity begins/starts at home
teapot
A teapot contains tea. The word teapot begins and ends with the letter t.
Tarantella is a 10 letter word. It begins with the letter T and ends with the letter A.
throat
tegestologist
A teapot A TEAPOT!
Toilet.
Teapot!
adjutant
Sixty eight.
Toronto
advocat