What do the following names and words have in common?

JUNE
SPOKE
BOON
SAUL
PROVINCE

HINT:
Adding two letters (different for each clue) will change the names and words into new ones.

Answers:

Adding two letters to each clue gives a U.S. state capital:

JUNE - JUNEAU
SPOKE- SPOKANE
BOON - BOSTON
SAUL - ST. PAUL
PROVINCE - PROVIDENCE

Credit: Will Shortz
NPR Weekend Edition Sunday Puzzle
Nov. 29, 2008 - CITY SLICKERS