closeness vs littleness

closeness and littleness both are nouns.

Word	Noun	Adjective	Verb	Adverb
closeness	Yes	No	No	No
littleness	Yes	No	No	No

As nouns, littleness is a hyponym of closeness; that is, littleness is a word with a more specific, narrower meaning than closeness:

Other hyponyms of closeness include pettiness, smallness, miserliness.

closeness (noun)	littleness (noun)
the spatial property resulting from a relatively small distance	the property of having a relatively small size
characterized by a lack of openness (especially about one's actions or purposes)	lack of generosity in trifling matters
the quality of being close and poorly ventilated	the property of having relatively little strength or vigor
close or warm friendship
extreme stinginess
a feeling of being intimate and belonging together