Cyrnio, v. to pile, to stack
Cyrniog, a. cornigerous, horned
Cyrniogyn, n. a piggin
Cyryglwr, n. a coracle-man
Cys, a prefix denoting mutuality of effect or action, of the same force as CYD and CYF
Cysail, n. constituent part
Cysain, n. consonancy
Cysawd, n. an affix, a suffix
Cysawdd, n. a compound
Cysdadl, a. disputable; equal