share-out vs distribution

share-out and distribution both are nouns.

Word	Noun	Adjective	Verb	Adverb
share-out	Yes	No	No	No
distribution	Yes	No	No	No

As nouns, distribution is a hypernym of share-out; that is, distribution is a word with a broader meaning than share-out:

share-out (noun)	distribution (noun)
a distribution in shares	the act of distributing or spreading or apportioning
	the commercial activity of transporting and selling goods from a producer to a consumer
	the spatial or geographic property of being scattered about over a range, area, or volume
	(statistics) an arrangement of values of a variable showing their observed or theoretical frequency of occurrence