Synonyms for coincidence

noun

1. Correspondence

   simultaneity, conjunction, concurrence, co-occurrence, coexistence, accord, accordance, consonance, unison, parallelism, concomitance, contemporaneousness, simultaneousness, synchronism, synchronicity; see also agreement 2.

2. An incidental occurrence

   accident, fluke*, eventuality; see accident 2, chance 1, event 1.