ductileness vs plasticity

ductileness and plasticity both are nouns.

Word	Noun	Adjective	Verb	Adverb
ductileness	Yes	No	No	No
plasticity	Yes	No	No	No

As nouns, plasticity is a hypernym of ductileness; that is, plasticity is a word with a broader meaning than ductileness:

ductileness: the malleability of something that can be drawn into threads or wires or hammered into thin sheets
plasticity: the property of being physically malleable; the property of something that can be worked or hammered or shaped without breaking

Other hypernyms of ductileness include malleability.

ductileness (noun)	plasticity (noun)
the malleability of something that can be drawn into threads or wires or hammered into thin sheets	the property of being physically malleable; the property of something that can be worked or hammered or shaped without breaking