Errhine
Part of speech: adjective
Definition: Causing an increase in mucus within the nose, and hence causing one to sneeze.
Part of speech: noun
Definition: A medicine applied inside the nose to increase the production of mucus, and hence sneezing.
Causative
Part of speech: adjective
Definition: Acting as a cause.
Part of speech: noun
Definition: An expression of an agent causing or forcing a patient to perform an action (or to be in a certain condition).