decentration vs decentering

decentration and decentering both are nouns.

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

As nouns, decentration and decentering are synonyms defined as:

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

decentration (noun)	decentering (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.