Siker, "siker thyself, man!" (N[51],b), secure, make all safe, assure
"Now be we duchesses both I and ye,
And sikerde to the regals of Athenes,
And both hereafter likely to be queenes."
—Chaucer, Legend of Ariadne.
Sikerness, "In one is sikerness" (N[55],b), certainty, security, sureness: see previous entry.
Silver hook (IP[345],d), a bribe.
Sindons, "the sindons in which were wrapped the chalices" (R[221],d), a wrapper of cotton or linen. "There were found a book and a letter, both written in fine parchment, and wrapped in sindons of linen."—Bacon.
Singular, "my sing'lar solace" (M[36],c)—"my ... singular recreatory" (M[39],a), unique: in original singler and synguler respectively.
"Some villain, ay, and singular in his art."
—Shakespeare, Cymbeline (1605), iii. 4.
Sir Will—Sir William of Trentram (JE[356],b; 357,a): see Trentham.