accord
addition
adjunct
affairs
affiliation
affinity
agglomeration
agglutination
aggregation
alliance
approximation
articulation
assemblage
association
bond
bracketing
closeness
clustering
combination
communication
concatenation
concourse
concurrence
confluence
congeries
conglomeration
conjugation
conjunction
connectedness
connection
contiguity
contrariety
convergence
copulation
coupling
dealings
deduction
disjunction
filiation
gathering
homology
hookup
intercommunication
intercourse
interlinking
intimacy
joinder
attachment
fastening
hereditary pattern
inheritance
mechanical system
cam
circuitry
connector
input
latch
lever
link
localhost
mechanism
piston
pulley
torque
valve
shrinkage