schematization vs diagramming

schematization and diagramming both are nouns.

Word	Noun	Adjective	Verb	Adverb
schematization	Yes	No	No	No
diagramming	Yes	No	No	No

As nouns, schematization and diagramming are synonyms defined as:

schematization and diagramming: providing a chart or outline of a system

Other synonyms of schematization include schematisation.

schematization (noun)	diagramming (noun)
providing a chart or outline of a system	providing a chart or outline of a system
the act of reducing to a scheme or formula