retentiveness vs retentivity

retentiveness and retentivity both are nouns.

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

As nouns, retentiveness and retentivity are synonyms defined as:

retentiveness and retentivity: the property of retaining possessions that have been acquired

As nouns, retentiveness and retentivity are synonyms defined as:

Other synonyms of retentiveness include retention.

As nouns, retentiveness and retentivity are synonyms defined as:

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

Other synonyms of retentiveness include memory, retention.

retentiveness (noun)	retentivity (noun)
the property of retaining possessions that have been acquired	the power of retaining liquid
the power of retaining liquid	the property of retaining possessions that have been acquired
the power of retaining and recalling past experience	the power of retaining and recalling past experience