adherence vs adhesiveness

adherence and adhesiveness both are nouns.

Word	Noun	Adjective	Verb	Adverb
adherence	Yes	No	No	No
adhesiveness	Yes	No	No	No

As nouns, adherence and adhesiveness are synonyms defined as:

adherence and adhesiveness: the property of sticking together (as of glue and wood) or the joining of surfaces of different composition

Other synonyms of adherence include adhesion, bond.

adherence (noun)	adhesiveness (noun)
faithful support for a cause or political party or religion	the property of sticking together (as of glue and wood) or the joining of surfaces of different composition
the property of sticking together (as of glue and wood) or the joining of surfaces of different composition