retch

"The concept of teamwork is important in our school's project groups. "

"His unsuccessful attempt earned him sympathy, condolences, and an occasional good-natured ribbing."

"My teacher explained the new math concept, and I understood it perfectly. "

"He retched several times, but nothing came up. "

"The baby was feeling the soft fur of the teddy bear. "

"After eating the spoiled food, she started vomiting. "

"The leaky faucet in the kitchen is a problem that needs fixing. "

"The smell of the old, unwashed socks in the laundry room was nauseous. "

"He is a student of life."

"The broken pencil was nothing; I easily found a new one. "

"Actually, I had nothing to do with that incident."

"The teacher complicated the math problem by adding several extra steps. "