1. State of being periodical.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• periodinian,
• oeriodicity,
• leriodicity,
• -eriodicity,
• 0eriodicity,
• pwriodicity,
• psriodicity,
• pdriodicity,
• periodocity,
• periodicityy,
• periodicty,
• periodictiy,
• periodisity,
• ergiodicity,
• ergodicityy,
• ergoadicity,
• periodicitee,
• periodicitiy,
• periodicitya,
• periodecity

• periodic acid,
• periodic event,
• periodic law,
• periodic,
• periodically,
• perodicticus,
• periodic table,
• periodical.

The adjective form of the word "periodicity" is "periodic".

The plural of the "periodicity" can be the "periodicities".

The singular of the "periodicity" can be the "periodicity".