expectorate, cough up, cough out, spit up, spit out

discharge (phlegm or sputum) from the lungs and out of the mouth

• cough — exhale abruptly, as when one has a chest cold or congestion
• hawk, hawk and spit — clear the throat, as of phlegm
• spit, ptyalize, ptyalise, spew, spue — expel or eject (saliva or phlegm or sputum) from the mouth
• splutter, sputter, spit out — spit up in an explosive manner

• discharge, expel, eject, release — eliminate, as of bodily substances