orderer vs systematist

orderer and systematist both are nouns.

Word	Noun	Adjective	Verb	Adverb
orderer	Yes	No	No	No
systematist	Yes	No	No	No

As nouns, orderer and systematist are synonyms defined as:

Other synonyms of orderer include systematiser, systematizer, systemiser, systemizer.

orderer (noun)	systematist (noun)
an organizer who puts things in order	a biologist who specializes in the classification of organisms into groups on the basis of their structure and origin and behavior
someone who places an order to buy	an organizer who puts things in order