isovolumetric process vs constant-volume process

isovolumetric process and constant-volume process both are nouns.

Word	Noun	Adjective	Verb	Adverb
isovolumetric process	Yes	No	No	No
constant-volume process	Yes	No	No	No

As nouns, isovolumetric process and constant-volume process are synonyms defined as:

isovolumetric process and constant-volume process: a thermodynamic process during which the volume of the closed system undergoing such a process remains constant.

Other synonyms of isovolumetric process include isochoric process, isometric process.

isovolumetric process (noun)	constant-volume process (noun)
a thermodynamic process during which the volume of the closed system undergoing such a process remains constant.	a thermodynamic process during which the volume of the closed system undergoing such a process remains constant.