Incongruence refers to a lack of harmony or consistency between two things. Antonyms for incongruence include congruity, consistency, harmony, agreement, coherence, accord, conformance, correspondence, conformity, and compatibility. These words denote a state of agreement, logical consistency or conformity between two or more elements. Congruity refers to the quality of being in agreement or harmony, whereas consistency refers to the quality of being free from contradiction or variation. Harmony denotes a pleasing arrangement of colors, sounds, or melodies, and agreement refers to a state of conformity or mutual understanding. Coherence and accord suggest logical consistency and unity, whereas conformance, correspondence, conformity, and compatibility imply consistency of thoughts, acts, or characteristics.