Solutions don't spare writing fluid from this has 4 entries with similar clues

• 7-letter words
• shudderShake from/with fear
• 8-letter words
• deadlockSituation from/in which no progress can be made
• acanthusThistlelike shrub with spikes of flowers
• 12-letter words
• terrybutcherformer rangers defender who managed inverness caledonian thistle, 2009-13