Focus on the pronunciation of coincidence
English definition of “coincidence”
/koʊˈɪn·sɪ·dəns/, /-səˌdens/ n [C/U]
› an occasion when two or more things happen at the same time, esp. in a way that is unexpected or unlikely, or the unlikely fact of such things happening at the same time: [C] Was our meeting here a coincidence? [U] By coincidence, both teams happen to be coached by men.