ruminate

As a noun taxonomy

is the science or the technique used to make a classification.

As a verb ruminate is

to chew cud (said of ruminants) involves regurgitating partially digested food from the rumen.

As an adjective ruminate is

(botany) having a hard albumen penetrated by irregular channels filled with softer matter, as the nutmeg and the seeds of the north american papaw.

As verbs the difference between overthink and ruminate

is that overthink is to think or analyze too much while ruminate is to chew cud. (Said of ruminants.) Involves regurgitating partially digested food from the rumen.

As an adjective ruminate is

having a hard albumen penetrated by irregular channels filled with softer matter, as the nutmeg and the seeds of the North American papaw.

As adjectives the difference between ruminate and nonruminating

is that ruminate is (botany) having a hard albumen penetrated by irregular channels filled with softer matter, as the nutmeg and the seeds of the north american papaw while nonruminating is that does not ruminate.

As a verb ruminate

is to chew cud (said of ruminants) involves regurgitating partially digested food from the rumen.