cautiousness vs attentiveness

cautiousness and attentiveness both are nouns.

Word	Noun	Adjective	Verb	Adverb
cautiousness	Yes	No	No	No
attentiveness	Yes	No	No	No

As nouns, attentiveness is a hypernym of cautiousness; that is, attentiveness is a word with a broader meaning than cautiousness:

cautiousness: the trait of being cautious; being attentive to possible danger
attentiveness: the trait of being observant and paying attention

cautiousness (noun)	attentiveness (noun)
the trait of being cautious; being attentive to possible danger	the trait of being considerate and thoughtful of others
	the trait of being observant and paying attention
	paying particular notice (as to children or helpless people)