freeze vs temperature reduction

freeze and temperature reduction both are nouns.

Word	Noun	Adjective	Verb	Adverb
freeze	Yes	No	Yes	No
temperature reduction	Yes	No	No	No

As nouns, temperature reduction is a hypernym of freeze; that is, temperature reduction is a word with a broader meaning than freeze:

freeze: the withdrawal of heat to change something from a liquid to a solid
temperature reduction: the process of becoming cooler; a falling temperature

Other hypernyms of freeze include chilling, cooling, phase change, phase transition, physical change, state change.

freeze (noun)	temperature reduction (noun)
an interruption or temporary suspension of progress or movement	the process of becoming cooler; a falling temperature
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

freeze (verb)	temperature reduction (verb)
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