correlation, link, nexus, interrelation, connection, interrelationship, direct correlation, symbiosis, coupling, equivalence, mechanism, disconnect, interconnections, quid pro quo, similarity, synergy, inverse relationship, implication, interdependency, parallels, contradiction, decoupling, interaction, interplay, complementation, divergence, congruence, dichotomy, ties, incongruence, tradeoff, asymmetry, disjuncture, causality, substitutability, differential, interdependence, coordination, reciprocity, collusion, dissimilarity, corollary, commonality, complementarity, disjunction, relation, causation, feedback loop, separability, interrelatedness, alignment, compartmentalization, involvement, bifurcation, differentiation, concomitants, interlinking, dependences, juxtaposition, interpenetration, clustering, discrepancy, distinction, symmetry, kinship, commonalties, dissociation, normalization, cooperation, correlate, conditionality, gyri, connector, collaboration, communication, homologies, concordance, anterograde, relationship, constraint, difference, externality, rhythmicity, contiguity, stratification, justification, asynchrony, component, rationale, metastability, antecedent, islanding, synergism, stochasticity, equilibria, disproportion, consequence, phylogenies, reference, transmission, infeasibility, epistasis, linkages, links, interconnection, interrelations, interrelationships, precondition, rela, interdependencies, trigger, preconditions, parametric, loop, multiscale, multivariate, compositional, labeling, multilevel, synthesis, aggregative, combinatorial, dimensional, distribution, econometric, geomorphic, multivariable, topological, balancing, correlational

benzenoid, emergency, emergency brake, enamine, hand brake, linkage group, medline, parking brake, peptide bond, peptide linkage, steering gear, steering linkage

attachment, connectedness, connexion, fastening, inheritance, mechanical system