ice up vs freeze

ice up is not a noun while freeze is a noun.

Word	Noun	Adjective	Verb	Adverb
ice up	No	No	Yes	No
freeze	Yes	No	Yes	No

ice up (noun)	freeze (noun)
	an interruption or temporary suspension of progress or movement
	fixing (of prices or wages etc) at a particular level
	weather cold enough to cause freezing
	the withdrawal of heat to change something from a liquid to a solid

ice up (verb)	freeze (verb)
become covered with a layer of ice; of a surface such as a window	be cold
	anesthetize by cold
	suddenly behave coldly and formally
	change to ice
	stop a process or a habit by imposing a freeze on it
	cause to freeze
	prohibit the conversion or use of (assets)
	change from a liquid to a solid when cold
	stop moving or become immobilized
	be very cold, below the freezing point