phase change vs physical change

phase change and physical change both are nouns.

Word	Noun	Adjective	Verb	Adverb
phase change	Yes	No	No	No
physical change	Yes	No	No	No

As nouns, phase change and physical change are synonyms defined as:

phase change and physical change: a change from one state (solid or liquid or gas) to another without a change in chemical composition

Other synonyms of phase change include phase transition, state change.

phase change (noun)	physical change (noun)
a change from one state (solid or liquid or gas) to another without a change in chemical composition	a change from one state (solid or liquid or gas) to another without a change in chemical composition