provision vs fueling

provision and fueling both are nouns.

Word	Noun	Adjective	Verb	Adverb
provision	Yes	No	Yes	No
fueling	Yes	No	No	No

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

provision (noun)	fueling (noun)
the activity of supplying or providing something	the activity of supplying or taking on fuel
the cognitive process of thinking about what you will do in the event of something happening
a stipulated condition
a store or supply of something (especially of food or clothing or arms)

provision (verb)	fueling (verb)
supply with provisions