There is no word for a female relative that begins with a 't'. The words for a female relative that contain 6 letters are:
Sister
Mother
Granny
There is no word for a female relative that begins with a 't'. The words for a female relative that contain 6 letters are: Sister Mother Granny
I'm assuming you mean "the second letter is 'u'". if so, could it be Aunties?
cancer
monkey
greece
The word strict has 6 letters and begins with s.
Famous
Pillar
Turtle ?
Etcher
Hecate
Reiterate