The Puzzlemaster Presents Vol. 2
Will Shortz
(Title shown below)

What do the following words have in common?

TIE
PITY
DIRT
TRUE
BOOT

HINTS:
1. It has to do with the T in each word.
2. Some answers involve phonetic spelling.

Answers:

If you change the T in each word to TH, you get a new word -  sometimes phonetically:

TIE - THIGH
PITY - PITHY
DIRT - DEARTH
TRUE - THROUGH
BOOT - BOOTH

Puzzle title: 
T FOR TWO