1) Search for "economic" and "economical" in the corpus; which of the two is most commonly used in the corpus?
economic
economical
equally common (same number of occurrences)

2) "Economic" and "economical" are commonly said to differ in meaning; which of the two typically has the meaning of "cost-effective/economizing"?
economic
economical
neither

3) Which of the two ("economic" or "economical") typically relates to economy or finance?
economic
economical
both

4) Which of the two (economic" or "economical") typically collocates with "freedom"?
economic
economical
neither

5) According to the corpus results can a debate be "politic" or "political"? (Search string: "politic* debate")
politic
political
neither

6) Which of the two ("politic" or "political") typically relates to politics?
politic
political
neither

7) According to the corpus results can power(s) be "magic" or "magical"? (Search string: "magic* power*")
magic
magical
both
neither

8) The foregoing search results suggest that "magic" and "magical" are which of the following?
completely different in meaning
similar in meaning
used differently