Cliff
Part of speech: noun
Definition: A vertical (or near vertical) rock face.
Example sentence: Our public portrayal of fathers has shifted during my life. TV fathers have 'evolved' from real people like Sheriff Andy Taylor, Beaver's dad Ward Cleaver and Heathcliff 'Cliff' Huxtable, to cartoon dads like Homer Simpson and Seth MacFarlane's caricatures in 'American Dad!' and 'Family Guy.'
Drop-off
Part of speech: noun
Definition: A sudden downward slopeA sudden decrease (such as in the level of sales)