1. path followed by body under forces.   Hint First letter clue   2. terms used in a science or discipline.   First letter clue   3. sameness or consistency.   First letter clue   4. substance which provides nourishment.   First letter clue   5. increase.   First letter clue   6. similarity or state of being parallel.   First letter clue   7. tool for pounding or grinding in a mortar.   First letter clue