fuelling vs supply

fuelling and supply both are nouns.

Word	Noun	Adjective	Verb	Adverb
fuelling	Yes	No	No	No
supply	Yes	No	Yes	No

As nouns, supply is a hypernym of fuelling; that is, supply is a word with a broader meaning than fuelling:

Other hypernyms of fuelling include provision, supplying.

fuelling (noun)	supply (noun)
the activity of supplying or taking on fuel	the activity of supplying or providing something
	offering goods and services for sale
	an amount of something available for use

fuelling (verb)	supply (verb)
	state or say further
	give what is desired or needed, especially support, food or sustenance
	give something useful or necessary to
	circulate or distribute or equip with