Cysain, n. consonancy
Cysawd, n. an affix, a suffix
Cysawdd, n. a compound
Cysdadl, a. disputable; equal
Cysdadlaeth, n. competition
Cysdadliad, mutually disputing
Cysdadlu, v. to vie; to debate
Cystadlwr, n. a competition
Cysdawd, n. a butting together
Cysdedlydd, n. a competitor
Cysdodi, v. to place in custody
Cysefin, a. primary, primitive
Cysefino, v. to originate
Cysefiniad, n. originality
Cysegr, n. a sanctuary
Cysegriad, n. consecration
Cysegredig, a. consecrated
Cysegrol, a. consecrate
Cysegr-ladrad, n. sacrilege
Cysegrlan, a. consecrate, sacred
Cysegru, v. to consecrate
Cysegrydd, n. a consecrator
Cyseiliad, n. constitution
Cyseiniad, n. a consonant
Cyseinio, v. to sound together
Cysellt, n. an opportunity
Cysgfa, n. numbness
Cysgiad, n. a sleeping
Cysgiadol, a. soporific, soniferous
Cysgiadur, n. a sleeper; a sluggard; a dormant animal
Cysgiadyr, n. an opiate
Cysglyd, a. sleepy, drowsy
Cysgod, n. a shadow, a shade; a shelter
Cysgodfa, n. a shady place
Cysgodi, v. to shadow; to shelter
Cysgodiad, n. a shadowing
Cysgodog, a. sheltering
Cysgodol, a. shadowy, sheltering
Cysgrwydd, n. sleepiness
Cysgu, v. to sleep; to benumb
Cysgwr, n. a sleeper
Cysgwal, n. a dormitory
Cysiad, n. somnolence
Cysni, n. drowsiness
Cysodi, v. to compose
Cysodiad, n. a composing
Cysodol, a. compositive
Cysodoldeb, n. compositiveness
Cysodwr, n. a composer
Cysodydd, n. a compositor
Cysodyr, n. a composing-stick
Cysoddi, v. to combine, to blend
Cysoddiad, n. a combining
Cysoddol, a. combining
Cyson, a. concordant, harmonious; constant
Cysondeb, n. concordance
Cysoni, v. to make consonant, to harmonize
Cysoniad, n. harmonics
Cyspell, n. propinquity: a. close together, compact
Cysail, n. a constituent part
Cyswllt, n. a conjunction
Cyswr, n. contempt: a. glum
Cysylltiad, n. a conjoining
Cysylltu, v. to conjoin
Cystal, a. equivalent, equal: ad. so good, as good
Cystawci, n. a mastiff
Cystig, a. severe, austere, harsh
Cystled, ad. so good, as good
Cystlwn, n. kindred, affinity
Cystlynan, n. a family stock
Cystlyned, n. kindred, alliance
Cystlynu, v. to form connection
Cystogi, v. to toil, to drudge
Cystraw, n. concord rule
Cystrawen, n. syntax
Cystrawenol, a. syntactical
Cystrawenu, v. to construct
Cystrawenydd, n. a grammarian
Cystrawiad, n. construction
Cystrawiaeth, n. constructure
Cystrawu, v. to construct
Cystudd, n. affliction, grief
Cystuddiad, n. an afflicting
Cystuddio, v. to afflict
Cystuddiedig, a. afflicted
Cystuddiol, a. afflicting
Cystuddiwr, n. an afflictor
Cystwy, n. chastisement
Cystwyad, n. a chastising
Cystwyo, v. to chastise
