Solutions Blocked, as a river has 6 entries with similar clues

• 4-letter words
• avonriver of central england that flows to the river severn at tewkesbury
• opennot shut or blocked up
• 7-letter words
• snuffleBreathe noisily through a partially blocked nose
• 8-letter words
• retreadsGoes back over roads blocked by a tree that's collapsed
• screenedBlocked from view
• 11-letter words
• paragraphedPresented in blocked group of sentences