synonymity (noun) similarity: likeness, correspondence
Sinonime: affinity,
agreement, alikeness,
analogy, approximation,
association,
closeness,
coincidence, collation,
community, comparability,
comparison, concordance,
concurrence,
conformity, congruence, congruity,
connection,
correlation, dead ringer,
harmony, homogeneity,
identity, interrelation,
kinship, likes of, look-alike,
parallel, parallelism,
parity, peas in a pod,
proportion,
reciprocity,
relation,
relationship, resemblance, sameness,
semblance,
simile, similitude, synonymity, two of a kind
Antonime: difference, dissimilarity,
opposition, unlikeness