What does this represent?
Take the given words, and by moving a single letter from one word to the other, make a pair of synonyms, or near synonyms. For example, given: Boast - Hip, move the 's' from 'Boast' to 'Hip' creating two synonyms: Boat - Ship.
1. Open - Cop 2. Cave - Curt 3. Cares - Pest 4. Salve - Savage 5. Whiled - Spurn
[toggle title="What's the answer?"]1. Pen - Coop 2. Carve - Cut 3. Caress - Pet 4. Save - Salvage 5. Whirled - Spun[/toggle]