accordance
affinity
agreement
alikeness
allegory
alliance
ally
alter ego
analogon
analogue
analogy
aping
approach
approximation
assimilation
associate
balancing
brother
certified copy
close copy
close match
closeness
cognate
community
companion
comparability
comparative anatomy
comparative degree
comparative grammar
comparative judgment
comparative linguistics
comparative literature
comparative method
compare
comparing
comparison
complement
conformity
confrontation
confrontment
congenator
congener
contrast
contrastiveness
coordinate
copy
copying
correlate
duplicate
duplication
dissimilarity
likeness
resemblance
resemblances
simile
uniformity