Cyfelin, n. a cubit, a measure of 18 inches
Cyfelinaid, n. a cubit length
Cyfenw, n. a surname
Cyfenwi, v. to give a surname
Cyfer, n. opposite situation
Cyferbyn, a. opposite, fronting
Cyferbyniad, n. contraposition
Cyferbynied, v. to counteract
Cyferbynu, v. to set in opposition, to contrast; to counteract
Cyferbynwr, n. contraster
Cyfergyd, n. a concussion
Cyferlyn, v. to pursue together
Cyferthiad, n. sanctification
Cyferwenu, v. to flatter
Cyferyd, n. opposite place
Cyfhogi, v. to sharpen together
Cyfiach, n. etymology
Cyfiachydd, n. etymologist
Cyfiachyddol, a. etymological
Cyfiaith, n. vernacular speech: a. of the same language
Cyfiaw, v. to make equable
Cyfiawn, a. just, righteous
Cyfiawnder, n. justice, equity
Cyfiawnedd, n. justness
Cyfiawnhâd, n. justification
Cyfiawnhâu, v. to justify
Cyfiawniad, n. a rectifying
Cyfieithiad, n. translation
Cyfieithu, v. to translate
Cyfleithydd, n. a translator
Cyfieuo, v. to conjugate
Cyflng, a. distressed; restricted
Cyfladd, v. to coincide, to match
Cyflaeth, n. a confection a mixture
Cyflafan, n. a massacre
Cyflafanu, v. to murder
Cyflafar, a. mutually speaking
Cyflafaredd, n. a parley
Cyflafaru, v. to parley, to confer
Cyflaid, u. the arms full
Cyflam, a. regular
Cyflanw, n. a complement
Cyflawn, a. complete, full
Cyflawnder, n. completeness
Cyflawni, v. to complete, to fulfil
Cyfle, n. opportunity, place
Cyfleâad, n. collocation
Cyfleâu, v. to collocate
Cyfled, a. of equal breadth
Cyfledu, v. to co-extend
Cyflef, a. of united voice
Cyflegr, n. a gun, a cannon
Cyflegriad, n. a firing; a gun
Cyflegru, v. to fire a gun
Cyflenwad, n. a repletion
Cyflenwi, v. to fulfil, to replenish
Cyfles, n. mutual benifit
Cyfleu, v. to collocate; to deposit
Cyfleus, a. convenient, suitable
Cyfleusdra, n. convenience
Cyflewyrch, n. equable light
Cyflino, v. to contort
Cyfliwio, v. to tint alike
Cyflo, a. big with calf
Cyfloca, v. to take hire
Cyflochi, v. to harbour equally
Coflog, n. salary, wages
Cyflogedig, a. that is hired
Cyflogi, v. to hire, to bind
Cyflogiad, n. a hiring
Cyflogwas, n. hired servant
Cyflun, a. of the same form
Cyflunedd, n. equiformity
Cyfluniad, n. conformation
Cyfluniaeth, n. ratio of food
Cyflunio, v. to configure; to model, to organize, to construct
Cyflwngc, n. an abstinence
Cyflwng, a. swallowing up
Cyflwr, n. condition, state, disposition, temper; property
Cyflwyniad, n. presentation
Cyflwyno, v. to send; to address; to dedicate; to present
Cyflym, a. nimble, keen
Cyflymder, n. quickness
Cyflymiad, n. acceleration
Cyflymu, v. to accelerate
Cyflyn, a. mutually adhering
Cyflyniad, n. cohesion
Cyflys, a. courtly, courtlike
Cyfnai, n. a third cousin
Cyfnaid, a. of mutual loan