congruence (n.)

• accord
• accordance
• affinity
• agreement
• assent
• chorus
• coherence
• coincidence
• compatibility
• concert
• concord
• concordance
• conformance
• conformation
• conformity
• congeniality
• congruity
• consistency
• consonance
• consort
• cooperation
• correspondence
• equality
• equivalence
• harmony
• homogeneity
• identity
• indistinguishability
• intersection
• oneness
• overlap
• parallelism
• peace
• rapport
• sameness
• selfsameness
• symmetry
• sync
• synchronism
• synonymity
• synonymousness
• synonymy
• tally
• timing
• uniformity
• union
• unison
• unity