Periodically and Variable

Periodically adverb - In a sporadic manner.

Variable and periodically are semantically related. In some cases you can use "Variable" instead an adverb "Periodically".

Nearby Words: period, periodical, periodic, periodicity

Variable adjective - Capable of being readily changed.

Periodically and variable are semantically related. Sometimes you can use "Periodically" instead an adverb "Variable".

Nearby Words: variation, varied, variance, variability, variably