proportionality vs placement

proportionality and placement both are nouns.

Word	Noun	Adjective	Verb	Adverb
proportionality	Yes	No	No	No
placement	Yes	No	No	No

As nouns, placement is a hypernym of proportionality; that is, placement is a word with a broader meaning than proportionality:

proportionality: harmonious arrangement or relation of parts or elements within a whole (as in a design)
placement: the spatial property of the way in which something is placed

Other hypernyms of proportionality include arrangement.

proportionality (noun)	placement (noun)
harmonious arrangement or relation of parts or elements within a whole (as in a design)	the act of putting something in a certain place
a ratio of two quantities that is constant	contact established between applicants and prospective employees
	the spatial property of the way in which something is placed