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Puzzle 9
Answer page below

Give and Take: Add (or subtract) one letter from each word, and then rearrange each group of the resulting letters to form one word (which may or may not be a proper noun). The letters you add (or subtract) will spell out the name of the category that all the resulting words are in.

Puzzle 1:
"LEVEE", "ENNUI", "IMP", "BENT", "FORTUNE", "NERVES", "HANDOUT"
Puzzle 2:
"FINDER", "HAIRDO", "BONNETS", "RESONANCE", "HOMES", "FIREARMS", "AMUSED"
Puzzle 3:
"CLERICS", "LATHERING", "BOLOGNA", "TONNAGE", "HOMBRE", "SALVO"
Puzzle 4:
"LYRICS", "CONTINENTS", "INANE", "WADER", "SITUATING", "PRESET"
Puzzle 5:
"HERMIT", "MAKES", "BURNT", "LIVED", "FORAGED", "HERNIATE", "FAZE", "ELBOW"
Puzzle 6:
"EARTH", "HEAT", "RUSTIC", "ATHEISM", "OUNCES", "UNCROSS"
Inspired by the Family Reunions puzzles by Stanley Newman. Drag letters to swap them. Click on the plus/minus sign to change sign. Click on the "Mix" button to randomly rearrange the letters in that row. Click in this module and then on a letter to activate a "cursor"; arrow keys and typing letters will change the letters appropriately.

Answer: http://solvepuzzles.googlepages.com/answers9