consumption vs feeding

consumption and feeding both are nouns.

Word	Noun	Adjective	Verb	Adverb
consumption	Yes	No	No	No
feeding	Yes	No	No	No

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

consumption: the process of taking food into the body through the mouth (as by eating)
feeding: the act of consuming food

Other hyponyms of consumption include eating, deglutition, drink, swallow, suck, sucking, suction, drinking, imbibing, imbibition.

consumption (noun)	feeding (noun)
the act of consuming something	the act of consuming food
the process of taking food into the body through the mouth (as by eating)	the act of supplying food and nourishment
(economics) the utilization of economic goods to satisfy needs or in manufacturing
involving the lungs with progressive wasting of the body