shared

adjectives

have in common; held or experienced in common
"two shared valence electrons forming a bond between adjacent nuclei"; "a shared interest in philately"
shared
antonym
unshared
is similar to
common to or shared by two or more parties
"a common friend"; "the mutual interests of management and labor"
common, mutual
is similar to
affecting or involving two or more
"joint income-tax return"; "joint ownership"
joint
see also
united or combined
"a joint session of Congress"; "joint owners"
joint
distributed in portions (often equal) on the basis of a plan or purpose
divided, divided up, shared, shared out