Synchronism

/sˈɪnkɹənˌɪzəm/

[noun]

Synchronism

[NOUN]

the relation that exists when things occur at the same time

synonyms : synchroneity

antonyms : asynchronism

Examples

1. Low supply voltage and excitation voltage or other reasons of going out of synchronism.

2. Indeed, they're not really dates at all so much as synchronisms between multiple events coordinating a network of better and lesser known occurrences.