dynamical system vs phase space

dynamical system and phase space both are nouns.

Word	Noun	Adjective	Verb	Adverb
dynamical system	Yes	No	No	No
phase space	Yes	No	No	No

As nouns, phase space is a hypernym of dynamical system; that is, phase space is a word with a broader meaning than dynamical system:

dynamical system: (physics) a phase space together with a transformation of that space
phase space: (physics) an ideal space in which the coordinate dimensions represent the variables that are required to describe a system or substance

dynamical system (noun)	phase space (noun)
(physics) a phase space together with a transformation of that space	(physics) an ideal space in which the coordinate dimensions represent the variables that are required to describe a system or substance