1. similarity or state of being parallel.   Hint First letter clue   2. path followed by body under forces.   First letter clue   3. size or extent.   First letter clue   4. different form of an element.   First letter clue   5. vertebrate animal whose female suckles the young.   First letter clue   6. animal or plant living in or on another; sycophant.   First letter clue   7. pointers or indications.   First letter clue