rumination vs consideration

rumination and consideration both are nouns.

Word	Noun	Adjective	Verb	Adverb
rumination	Yes	No	No	No
consideration	Yes	No	No	No

As nouns, consideration is a hypernym of rumination; that is, consideration is a word with a broader meaning than rumination:

rumination (noun)	consideration (noun)
regurgitation of small amounts of food; seen in some infants after feeding	a considerate and thoughtful act
(of ruminants) chewing (the cud)	kind and considerate regard for others
a calm, lengthy, intent consideration	the process of giving careful thought to something
	information that should be kept in mind when making a decision
	a discussion of a topic (as in a meeting)
	a fee charged in advance to retain the services of someone