Some synonyms for the term "Chin cough" are pertussis, whooping cough, and 100-day cough. Pertussis is a bacterial infection that affects the respiratory system. It is characterized by fits of coughing followed by a whooping sound. The disease can be serious, particularly in infants and young children. Whooping cough is another term for pertussis and is named after the whooping sound that accompanies the cough. The term 100-day cough stems from the fact that the cough can persist for several weeks or even months. Overall, Chin cough is a serious illness and requires prompt medical attention.