supporting vs shoring

supporting and shoring both are nouns.

Word	Noun	Adjective	Verb	Adverb
supporting	Yes	Yes	No	No
shoring	Yes	No	No	No

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

Other hyponyms of supporting include propping up, shoring up, dangling, hanging, suspension.

supporting (noun)	shoring (noun)
the act of bearing the weight of or strengthening	the act of propping up with shores
	a beam or timber that is propped against a structure to provide support

supporting (adjective)	shoring (adjective)
capable of bearing a structural load
furnishing support and encouragement