The different expressions to say: 'tie'

bond, attach, adhere, adhesion, adhesive, affiliate, affix, aggregate, alliance, ally, anchor, assemble,  bind, bondage, bridge, cement, chain, chord, clamp, cleave, cleavage, clinch, cling, clip, clutch, coalesce, coalition, cohere, coherent, cohesion, combine, combination, concatenation, concentrate, concern, axe, add,  annex, append, appendage, behold, conjugate, connect, connection, connubial, contact, copulate, couple, coupling, detach, detachable, detached, detachment, detain, diffuse, diffusion, disconnect, dissect, divide, divorce, entangle, esprit de corps, excise, fasten, federal, union, federate, federation, fixative, fuse, fusion, gather, glue, grip, gum,  have, held, hinge, hold, holding, hook, hug, incise, join, joint, junction, knit, knot,  ligament, link, lock, lockable, marriage, marry, meeting, nexus, nick, of, gap, own, owner, pack, pair, possess, possession, possessive, separate, sew, splice, split, uncouple, unfasten, unify, unite, unity, unstuck, untie, wed, wedlock, weld.

The different expressions to say: 'through'

intermediary, intermediate, mediate, inter-, interface, interlace, interlock, by, with.

The different expressions to say: 'relate'

associate, association, correlate, correlation, correspondence, dissociate, interconnect, interconnected, interrelated, intersect, interweave, ratio, ration, rationalize, reason,  relate, relation, relative, relativity.

The different expressions to say: 'tied'

confined, limited, bound, unlimited, define, definite, exceed, excess, finite, fixed, free.