yoked (?.)

• affiliate
• affiliated
• allied
• assembled
• associate
• associated
• banded together
• biconjugate
• bigeminate
• bijugate
• bound
• bracketed
• collateral
• collected
• conjoined
• conjugate
• conjugated
• connected
• copulate
• correlated
• coupled
• gathered
• hand-in-glove
• hand-in-hand
• implicated
• incorporated
• integrated
• interlinked
• interlocked
• interrelated
• intimate
• involved
• joined
• knotted
• leagued
• linked
• matched
• mated
• merged
• of that ilk
• of that kind
• paired
• parallel
• related
• spliced
• tied
• twinned
• undivided
• united
• unseparated
• wed
• wedded