Crossword puzzle clue "org formed inside the four longest answers"

Org. "formed" inside the four longest answers

Org. that has four teams with non-plural nicknames, which begin this puzzle's four longest answers

Noble gas, and a homophonic hint to how this puzzle's four longest answers are formed

Words of reproach, and a hint to how the four longest puzzle answers are formed

It's zero in free-fall—and, put another way, a hint to how the four longest puzzle answers were formed

The word, as suggested by the saying formed by the ends of this puzzle's four longest answers

HBO's "Inside the __" (and hidden theme in this puzzle's four longest answers)

Word that's "shifted" in the first four letters of the four longest answers