scab

"The little girl's scraped knee had a thick scab forming over it. "

"My younger sister got scabies, and we had to take extra precautions to avoid spreading it. "

"The sheep had a bad scab on its leg, making it difficult to walk. "

"The potato crop had a bad case of scab, making the spuds unsuitable for sale at the farmers' market. "

"The farmer treated the potato plants to prevent common scab. "

"The apple tree suffered from scab, leaving dark spots on the fruit. "

"The metal casting for the new school bell had a small scab on its surface, a tiny imperfection from the mold. "

""No one wanted to work with the scab; he always took credit for other people's ideas and never helped with the hard work." "

"During the factory strike, the company hired a scab to keep production going, angering the union workers. "

"After I fell and scraped my knee, the wound started to scab over. "

"The scraped knee scabbed over quickly, and the skin shed easily. "

"The carpenter scabbed off the rough edges of the wooden plank. "

"During the teacher's strike, some substitute teachers scabbed for the school district. "

"I scabbed some money off a friend."