SMART Vocabulary: connected words and phrases and phrases Connecting and combining abut additive adjoin affix something to one thing agglomerate linked connectedly connecting converge convergence interlocking intersection intertwine interweave isthmic twin umbilical unification unified unify See additional success » Diarthroses: These are typically joints you'll be able to go freely https://www.amazon.com/dp/B082XJ4R2F