[swynsian], w. v., to sound: pret. sg. hlyn swynsode, [612].
[syððan] (seðian, Gen. 1525), w. v., to punish, avenge, w. acc.: inf. þonne hit sweordes ecg syððan scolde (then the edge of the sword should avenge it), [1107].
[a]syððan]. See [siððan].
[syfan-wintre], adj., seven-winters-old: nom. sg., [2429].
[syl] (O.H.G. swella), st. f., sill, bench-support: dat. sg. fram sylle, [776].