symmetrical
The human face is more or less symmetrical.
symposium
The symposium on language teaching will be held next Sunday.
tangle
He got into an awful tangle with his homework, and had to ask me to help.
temperament
Actors often display a lot of temperament.
tentative
The conservative researcher only made a tentative conclusion for his study.
threshold
She stood on the threshold for a minute then rang the door bell.
tragic
The tragic accident caused by gas leak took the whole family’s lives.