dissenting vs dissentient

dissenting and dissentient both are adjectives.

Word	Noun	Adjective	Verb	Adverb
dissenting	No	Yes	No	No
dissentient	No	Yes	No	No

As adjectives, dissenting and dissentient are synonyms defined as:

Other synonyms of dissenting include dissident.

dissenting (adjective)	dissentient (adjective)
disagreeing, especially with a majority	disagreeing, especially with a majority
	(of Catholics) refusing to attend services of the Church of England