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v. Third-person singular simple present indicative form of relapse.

"Of the 400,000 people in the U.S. afflicted with MS, approximately 85% are initially diagnosed with relapsing-remitting MS, which is characterized by relapses, or attacks of declining neurologic function, followed by periods of remission."

relapsed    relapses    relapsing   

turn    change state    retrovert    regress    revert   

apostatize    apostasy   

backslide    backsliding    backslider    regress    slide   

Japs    Lapps    apps    caps    chaps   

recurrence    lapse    illness    breakdown    outbreak