Anschluss, L, abutment, abuttal, access, accession, accompaniment, accord, accordance, accretion, addition, adherence, adhesion, adjacency, adjoiningness, adjunct, adjunction, affairs, affiliation, affinity, affixation, agglomeration, agglutination, aggregation, agreement, aisle, alley, alliance, amalgamation, ambulatory, annexation, aperture, apposition, approximation, appulse, arcade, artery, articulation, assemblage, assembly, assimilation, association, attachment, augmentation, avenue, blend, blending, bond, bracketing, branch, building, buildup, cabal, cable railway, cahoots, call-up, canvass, cartel, census, centralization, channel, cling, clinging, cloister, closeness, clotting, clustering, co-working, coaction, coagulation, coalescence, coalition, cog railway, coherence, cohesion, cohesiveness, coincidence, collaboration, collection, collectivity, colligation, collocation, collusion, colonnade, combination, combine, combined effort, combo, communication, compaction, comparison, composition, compound, concatenation, concert, concerted action, concomitance, concordance, concourse, concretion, concurrence, condensation, conduit, confederacy, confederation, confluence, conflux, congealment, congelation, congeries, conglobation, conglomeration, congregation, conjoining, conjugation, conjunction, connectedness, connection, consilience, consolidation, conspiracy, constitution, construction, conterminousness, contiguity, contrariety, convergence, cooperation, copulation, corralling, correspondence, corridor, coterminousness, coupling, covered way, crossroads, data-gathering, dealings, deduction, defile, disjunction, ecumenism, el, electric railway, elevated, elevated railway, embankment, embodiment, encompassment, enosis, exit, fabrication, fashioning, federalization, federation, feeder, feeder line, ferry, filiation, ford, formation, fusion, gallery, gathering, getup, gravity-operated railway, homology, hookup, horse railway, inclusion, incorporation, increase, ingathering, inlet, inseparability, integration, interchange, intercommunication, intercourse, interlinking, intersection, intimacy, inventory, joinder, joining, jointure, junction, juncture, junta, juxtaposition, knotting, lane, league, liaison, light railroad, line, link, linkage, linking, main line, make, makeup, marriage, meeting, meld, melding, merger, merging, metro, mixture, mobilization, monorail, muster, mutual attraction, nearness, opening, organization, outlet, overpass, package, package deal, pairing, parasitism, pass, passage, passageway, perigee, perihelion, piecing together, portico, prefixation, propinquity, proximity, putting together, rack-and-pinion railway, rack railway, rail, rail line, railroad, railroad tunnel, railway, rapport, reinforcement, relatedness, relation, relations, relationship, roadbed, roadway, rodeo, roundup, saprophytism, seam, set, setup, shaping, sidetrack, siding, similarity, simultaneity, solidification, splice, sticking, street railway, streetcar line, structure, structuring, subway, suffixation, superaddition, superfetation, superjunction, superposition, supplementation, survey, switchback, symbiosis, sympathy, synchronism, syncretism, syndication, syneresis, synergy, synthesis, syzygy, terminal, terminus, tie-in, tie-up, tie, track, traject, trajet, tram, tramline, trestle, trolley line, trunk, trunk line, tube, tunnel, turnout, underground, underpass, unification, union, united action, uniting, wedding, yoking