1. propel or force onward.   Hint First letter clue   2. divide into two branches or fork.   First letter clue   3. sear with caustic or hot iron to prevent infection.   First letter clue   4. remove foliage or leaves.   First letter clue   5. produce or create.   First letter clue   6. hinder or retard.   First letter clue   7. grow bud or shoot.   First letter clue