(a) A flat-bottomed boat, barge; (b) shout man, the master of a shoute; also, a sailor on a shoute; also as surname. …

(a) A piece of wood, stick; a stake, post; also, a post supporting a canopy; (b) a stake or rod used in building, esp. in the wattle and daub construction of a wall; daubing stour; stikke and stour……

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……