polysynthetic vs agglutinative

polysynthetic and agglutinative both are adjectives.

Word	Noun	Adjective	Verb	Adverb
polysynthetic	No	Yes	No	No
agglutinative	No	Yes	No	No

As adjectives, polysynthetic and agglutinative are synonyms defined as:

polysynthetic and agglutinative: forming derivative or compound words by putting together constituents each of which expresses a single definite meaning

polysynthetic (adjective)	agglutinative (adjective)
forming derivative or compound words by putting together constituents each of which expresses a single definite meaning	united as if by glue
	forming derivative or compound words by putting together constituents each of which expresses a single definite meaning