Typhoon
Part of speech: noun
Definition: A weather phenomenon in the Eastern Pacific that is precisely equivalent to a hurricane, which results in wind speeds of 64 knots (118km/h) or above. Equivalent to a cyclone in the Indian Ocean and Indonesia/Australia.
Monsoon
Part of speech: noun
Definition: Any of a number of winds associated with regions where most rain falls during a particular season.Tropical rainy season when the rain lasts for several months with few interruptions.The rains themselves.Entire meteorological systems with such characteristics.