decentering vs decentration

decentering and decentration both are nouns.

Word	Noun	Adjective	Verb	Adverb
decentering	Yes	No	No	No
decentration	Yes	No	No	No

As nouns, decentering and decentration are synonyms defined as:

decentering and decentration: Jean Piaget's theory of cognitive development where a child slowly moves away from an egocentric world to a world shared with others.

decentering (noun)	decentration (noun)
Jean Piaget's theory of cognitive development where a child slowly moves away from an egocentric world to a world shared with others.	Jean Piaget's theory of cognitive development where a child slowly moves away from an egocentric world to a world shared with others.