retentiveness vs memory

retentiveness and memory both are nouns.

Word	Noun	Adjective	Verb	Adverb
retentiveness	Yes	No	No	No
memory	Yes	No	No	No

As nouns, retentiveness and memory are synonyms defined as:

retentiveness and memory: the power of retaining and recalling past experience

Other synonyms of retentiveness include retention, retentivity.

retentiveness (noun)	memory (noun)
the property of retaining possessions that have been acquired	an electronic memory device
the power of retaining liquid	the power of retaining and recalling past experience
the power of retaining and recalling past experience	the cognitive processes whereby past experience is remembered
	something that is remembered
	the area of cognitive psychology that studies memory processes