IPA: /sɪŋˈkrəʊnɪti/
KK: /sɪŋˈkrəʊnɪti/
The condition where things happen at the same time or in a coordinated manner.
The synchroneity of the two events made it difficult to determine which one caused the other.
Synchroneity → It is formed from "syn-" (meaning together) and "chronos" (meaning time) and the suffix "-ity" (meaning the state or quality of). The word refers to the state of occurring at the same time or together in time.
Think of things happening 'together' ('syn-') in 'time' ('chronos') — that's what synchroneity means.
No commonly confused words.