Effect adverbs are provided in this article. The words listed here are commonly found along with the verb effect in sentences. This reference page helps answer the question what are some adverbs that describe or modify the verb EFFECT.
actually, adversely
certainly, directly
easily, generally
possibly, probably
really, usually
Hope this word list had the effect adverb you were looking for. In addition to adverbs used with effect, other example verb adverb pairings can be found on this site.
You can help by adding more adverbs in the comments. Thanks.