sieððan = [siððan]
[ siex] (e, eo, i, y) ‘six,’ AO.
siexbenn = [seaxbenn]
[ siexfeald] ‘sixfold,’ WW.
[ siexhund] six hundred, AO. [‘sixhund’]
[ siexta] (e, i, y) ‘sixth,’ Chr; AO.
[ siexte] (y) sixthly, LL 158[17].
[ siextig] (e, i, y) ‘sixty,’ AO.
[ sife] (y) n. ‘sieve,’ Cp, Lcd, WW.
[ sifeða] (eo, y) m. and fpl. siftings, chaff, bran: tares, rubbish.