unvaried vs unvarying

unvaried and unvarying both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unvaried	No	Yes	No	No
unvarying	No	Yes	No	No

As adjectives, unvaried and unvarying are synonyms defined as:

unvaried (adjective)	unvarying (adjective)
lacking variety	lacking variety
	always the same; showing a single form or character in all occurrences
	unvarying in nature