* She coughed loudly, trying to clear her throat. (This sentence uses "cough" as a verb, describing the action of coughing)
* The doctor listened to her cough and diagnosed her with a cold. (Here, "cough" is used as a noun, referring to the sound or act of coughing)
* He had a persistent cough that wouldn't go away. (This sentence uses "cough" as a noun, referring to the condition of having a cough)
* The cough syrup helped to soothe her cough. (This sentence uses "cough" as a noun, referring to the condition of having a cough)
* He tried to suppress his cough, but it was too strong. (This sentence uses "cough" as a noun, referring to the act of coughing)