Coughing up and Cough up

Coughing up noun - The act of expelling (food or phlegm) by coughing.

Cough up is a synonym for coughing up in give topic. In some cases you can use "Cough up" instead a verb phrase "Coughing up", when it comes to topics like confess, vomit, pay back, services.

Cough up verb - To give (something) over to the control or possession of another usually under duress.

Coughing up is a synonym for cough up. Sometimes you can replace phrase "Coughing up" with "Cough up", this terms are similar.