Affect
Part of speech: noun
Definition: Emotion. External display of emotion or mood.
Part of speech: verb
Definition: To influence or alter. To move to emotion. Of an illness or condition, to infect or harm (a part of the body). To aim for, to try to obtain. To feel affection for; to like, be fond of. To make a false display of.
Infect
Part of speech: verb
Definition: to bring into contact with a substance that can cause illness (a pathogen)to make somebody enthusiastic about one's own passion