affiliate
affiliated
allied
associate
associated
bound
bracketed
collateral
conjugate
connected
correlated
coupled
implicated
interaffiliated
interallied
interconnected
intercoupled
interdependent
interlinked
interrelated
intertied
involved
joined
knotted
linked
of that ilk
of that kind
parallel
related
spliced
tied
twinned
wed
wedded
yoked