burp vs exhale

To emit a burp. 

To cause someone (such as a baby) to burp. 

To utter by burping 

To open (a container of fermenting substance) to allow the release of accumulated gas. 

To emit (a vapour, an odour, etc.). 

To draw out; to cause to be emitted in vapour. 

To pass off in the form of vapour; to emerge. 

To expel (something, such as tobacco smoke) from the lungs by action of the diaphragm. 

To expel air from the lungs through the nose or mouth by action of the diaphragm, to breathe out.