Cylchog, circled; hooped

Cylchol, a. circular; periodical; surrounding

Cylchdroi, v. to circumvolve

Cylchedd, n. circumference

Cylchedlen, n. a curtain

Cylchen, n. circuit, compass

Cylchfrith, a. ring streaked

Cylchig, n. a circlet

Cylchlifiant, n. circumfluency

Cylchrediad, n. circumambiency, cylchrediad

Cylchu, v. to encircle, to hoop

Cylchwy, n. a circle; a shield

Cyglchwyl, n. an aniversary

Cylchynawl, a. circling

Cylchyniad, n. a surrounding

Cylchynu, v. to encircle

Cylion, n. flies; gnats; wasps

Cylionen, n. a fly; a wasp

Cylmu, Cylymu, v. to tie

Cylor, n. earth-nuts

Cylla, n. a maw, stomach

Cyllaeth, n. sorrow, grief

Cyllaig, n. a stag in season

Cyllell, n. a cutter, a knife

Cyllellu, v. to cut with a knife

Cyllen, n. cutter, chopper

Cyllid, n. revenue, tax

Cyllido, v. to pay a tax

Cyllidydd, n. tax-gatherer

Cylltawr, n. plougshare

Cyllu, v. to make a parting

Cymdeithas, n. a society

Cymdeithasgar, a. sociable

Cymdeithasiad, n. association

Cymdeithasol, a. sociable

Cymdeithasrwydd, n. sociableness

Cymdeithasu, v. to associate

Cymdeithiad, n. consociation

Cymdeithiogi, v. to associate

Cymdeithio, v. to consociate

Cymdeithydd, n. a companion

Cymhar, n. partner

Cymhares, n. a partner

Cymhariad, n. comparing

Cymhariaeth, n. comparison

Cymharol, a. paired, coupled

Cymharu, v. to pair; to compare

Cymharwr, n. comparer

Cymheri, n. pertubation

Cymhell, n. compulsion: v. to compel; to instigate; to offer

Cymhellai, n. spur

Cymhelliad, n. compulsion

Cymhen, a. eloquent; pert

Cymhendod, n. eloquence

Cymheniad, n. adornment

Cymhenu, v. to set off

Cymhercyn, a. tottering

Cymherchen, a. jointly owned

Cymherfedd, n. centre

Cymhibau, n. the wind pipe and liver; a hemhorrhage

Cymhleth, a. twisted together

Cymhlethiad, n. intertexture

Cymhlethu, v. to interweave

Cymhlith, a. blended together

Cymhlithiad, n. commixion

Cymhlitho, v. to blend

Cymhlyg, a. complex

Cymhlygiad, n. complication

Cymhlygu, v. to complicate

Cymhorth, n. assistance, aid: v. to assist, to aid

Cymhorthfa, v. to seek aid

Cymhorthiad, n. a succouring

Cymhorthol, a. succouring

Cymhraff, a. of equal thickness

Cymhwys, a. of equal weight; suitable, proper, convenient

Cynhwyso, v. to adapt

Cymhwysiad, n. adjustment

Cymmaint, a. of equal bigness, quantity or number; as much