For all words beginning with sw- from here to the end of this volume [of the print MED], the practice of the MED is to record all variant forms except those beginning with su-; forms with su- are……

(a) Confidence (in sb. or sth.), reliance (on sb. or sth.), trust; haven trust, to have confidence (in sb. or sth.), rely (on sb. or sth.); with inf.: haven more trust..thanne, think it preferable (to……