The difference between As a rule and Customarily

When used as adverbs, as a rule means in general, whereas customarily means in the customary manner.


check bellow for the other definitions of As a rule and Customarily

  1. As a rule as an adverb (idiomatic):

    In general; most often.

    Examples:

    "We go fishing every Sunday as a rule, but today the lake is frozen."

  1. Customarily as an adverb (manner):

    In the customary manner; as is custom

  2. Customarily as an adverb (frequency):

    Under normal circumstances, normally.