Simple categories matching semisolid:

• contaminant,
• surface,
• waste,
• ingredient,
• food,
• composition,
• matter,
• product,
• system,
• wax,
• substance,
• material,

Members with property semisolid:

• powder,
• fruit,
• ketchup,
• applesauce,
• soup,
• pudding,
• porridge,
• slave_gruel,
• yogurt,
• bird_litter,
• butter,
• putty,
• black_bean,
• nectar,
• nutrient-agar_medium,
• snow,
• cheese_curd,
• cream,
• gel,
• mud,
• emulsion,
• hash,
• icecream,
• scrambled_egg,
• mire,
• grease,
• garbage,
• fruit_piece,
• glue,
• raw_sewage,
• ice,
• paste,
• stick,
• ointment,
• oil,
• baby_food,
• meat_product,
• puree,
• solution,
• mayonnaise,
• paper,
• strained_vegetable,
• stiff_dough,
• ash,
• beeswax,
• clothing,
• carbon,
• rice_soup,
• drywall,
• ground,
• industrial_waste,
• gum,
• rubbish,
• jelly,
• gruel,
• meat,
• shortening,
• construction_waste,
• frozen_custard,