expectorate

As verbs the difference between expectorate and sneeze

is that expectorate is to cough up fluid from the lungs while sneeze is to expel air as a reflex induced by an irritation in the nose.

As a noun sneeze is

an act of sneezing.

As a verb expectorate

is to cough up fluid from the lungs.

As a noun hemoptysis is

(medicine) expectoration (coughing up) of blood from the respiratory system.

As verbs the difference between expectorate and expectorated

is that expectorate is to cough up fluid from the lungs while expectorated is past tense of expectorate.