successive vs sequential

successive and sequential both are adjectives.

Word	Noun	Adjective	Verb	Adverb
successive	No	Yes	No	No
sequential	No	Yes	No	No

As adjectives, successive and sequential are synonyms defined as:

Other synonyms of successive include consecutive, sequent, serial.

successive (adjective)	sequential (adjective)
in regular succession without gaps	in regular succession without gaps