meditation vs rumination

meditation and rumination both are nouns.

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

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

meditation: continuous and profound contemplation or musing on a subject or series of subjects of a deep or abstruse nature
rumination: a calm, lengthy, intent consideration

Other hypernyms of meditation include contemplation, musing, reflection, reflexion, thoughtfulness.

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

meditation: (religion) contemplation of spiritual matters (usually on religious or philosophical subjects)
rumination: a calm, lengthy, intent consideration

Other hypernyms of meditation include contemplation, musing, reflection, reflexion, thoughtfulness.

meditation (noun)	rumination (noun)
continuous and profound contemplation or musing on a subject or series of subjects of a deep or abstruse nature	regurgitation of small amounts of food; seen in some infants after feeding
(religion) contemplation of spiritual matters (usually on religious or philosophical subjects)	(of ruminants) chewing (the cud)
	a calm, lengthy, intent consideration