advancement vs procession

advancement and procession both are nouns.

Word	Noun	Adjective	Verb	Adverb
advancement	Yes	No	No	No
procession	Yes	No	No	No

As nouns, advancement and procession are synonyms defined as:

advancement and procession: the act of moving forward (as toward a goal)

Other synonyms of advancement include advance, forward motion, onward motion, progress, progression.

advancement (noun)	procession (noun)
the act of moving forward (as toward a goal)	the group action of a collection of people or animals or vehicles moving ahead in more or less regular formation
gradual improvement or growth or development	the act of moving forward (as toward a goal)
encouragement of the progress or growth or acceptance of something	(theology) the origination of the Holy Spirit at Pentecost