agglutinative vs polysynthetic

agglutinative and polysynthetic both are adjectives.

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

As adjectives, agglutinative and polysynthetic are synonyms defined as:

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

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