loyalty vs regionalism

loyalty and regionalism both are nouns.

Word	Noun	Adjective	Verb	Adverb
loyalty	Yes	No	No	No
regionalism	Yes	No	No	No

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

loyalty (noun)	regionalism (noun)
the act of binding yourself (intellectually or emotionally) to a course of action	loyalty to the interests of a particular region
the quality of being loyal	a feature (as a pronunciation or expression or custom) that is characteristic of a particular region
feelings of allegiance	a foreign policy that defines the international interests of a country in terms of particular geographic areas