Seilede, sailed, went, [3389].
Seið, says, [1127], [1293], [1295].
Seið, (imp.) say, [2350].
Sek, sick, [1175].
Seken, to seek, [3598].
Sekenesse, sickness, [775].
Sel, time, season, [417], [928], [1032], [1184], [1224], [1375], [1503], [1545], [2541], [2769], [3159];
'in sel,' quickly, opportunely, [1095];
'al swilk sel,' at such time, [1204];
'on sel,' 'on sele,' in time, timely, [1537].