What is the difference between a landslide and a mudslide?
A Mudslide is a type of Landslide. A Landslide is technically an overall term which describes all types of movement downhill of snow, mud, rock, soil. and includes Avalanches as well. A Mudslide is typically caused by sudden heavy rain or fast melting snow and consists of mud (soil and water) as well as other debris while an avalanche is typically related to snow. Mudslides are quite deadly and can bury houses quickly.
Further details on Mudslides here: