Choice words swapped in this puzzle's theme answers

Question:

Answer:

ANDOR

Length:

Similar Crossword Questions:

Alternative words used as alternatives for each other in this puzzle's theme answers
Number of times this puzzle's theme word appears diagonally in the grid (to complete the puzzle, shade those words plus the Down answers that begin where they meet)
What the self-contradictory words found in this puzzle's theme answers are examples of
Attendance check, and a hint to the puzzle theme in the first words of the starred answers
___ to school . . . or a hint to the puzzle theme suggested by the ends of five answers
Account that joins words in seven of this puzzle's answers
Like the theme answers in this puzzle?
Magic words ... or a hint to the other long answers in this puzzle
Second of a pair of letters swapped six times in this puzzle's theme entries
Finding from the "fifths" taken from this puzzle's theme answers
Structure of this puzzle's theme, hidden in five answers
New element whose name will be ratified in January, 2010, and whose symbol appears in the middle of this puzzle's theme answers
"Something you would cheat on if you knew you wouldn't get caught." "___" (also, the source of this puzzle's theme answers)
Plummet ... or what this puzzle's theme answers do?
Element of surprise in this puzzle's theme answers
1997 Kevin Kline film, and a hint to the puzzle theme hidden in four answers
Big fight, and clue to this puzzle's theme that begins the four longest answers
Proper sort ... or a cry upon solving each of this puzzle's theme answers?
Records "broken" in this puzzle's nine theme answers
"Home work" letters that appear at both ends of this puzzle's theme answers
Engagement gift (both words suit this puzzle's theme)
Number inaugurated into this puzzle's theme answers
This puzzle's theme found in the answers to five asterisked clues
Famous last words (and homophonically, a hint to this puzzle's theme)
Question not asked in this puzzle's theme words