consumption vs suction

consumption and suction both are nouns.

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

As nouns, suction is a hyponym of consumption; that is, suction 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)
suction: the act of sucking

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

consumption (noun)	suction (noun)
the act of consuming something	the act of sucking
the process of taking food into the body through the mouth (as by eating)	a force over an area produced by a pressure difference
(economics) the utilization of economic goods to satisfy needs or in manufacturing
involving the lungs with progressive wasting of the body

consumption (verb)	suction (verb)
	empty or clean (a body cavity) by the force of suction
	remove or draw away by the force of suction