yd, n. a shiver, a shake

Ysgrydiad, n. a shivering

Ysgrythyr, n. the scripture

Ysgrythyrol, a. scriptural

Ysgub, n. a sheaf; a besom

Ysgubell, n. a whisk; a besom, a broom

Ysgubiad, n. a sweeping

Ysgubion, n. sweepings

Ysgubo, v. to whisk; to sweep

Ysgubor, n. a barn

Ysguborio, v. to put in a barn

Ysguth, n. a scud; a whisk

Ysguthan, n. a ringdove, a wood-pigeon

Ysguthell, n. a scudder

Ysguthiad, n. a scudding

Ysgw, n. guard, care; refuge

Ysgwad, n. a guarding

Ysgwaeth, n. guardianship

Ysgwaetheroedd, adv. more the pity

Ysgwd, n. a push; a jet; a stile

Ysgwdiad, n. a pushing on

Ysgwfl, n. grapple, snatch

Ysgwthr, n. a cut out; a lop

Ysgwyd, n. a shake, a flutter: v. to shake, to flutter: n. a shield; a
target

Ysgwydfa, n. a shake; a toss

Ysgwydo, v. to use a shield

Ysgwydwas, n. a shield bearer

Ysgwydd, n. a shoulder

Ysgwyddiad, n. a shouldering

Ysgwyddo, v. to shoulder

Ysgwyf, n. a sprinkle; a scum

Ysgydwad, n. an agitation

Ysgyfar, n. an ear

Ysgyfarn, n. an ear of a beast

Ysgyfarnog, n. a hare

Ysgfeinio, v. to form lungs

Ysgyfeiniog, a. pulmonary

Ysgyniad, n. an ascending

Ysgyrion, n. staves, splinters

Ysgyrioni, v. to shiver, to stave

Ysgyrnwg, n. a snarl, a grin

Ysgythriad, a lopping; a carving

Ysgythru, v. to lop; to carve

Ysiad, n. consuming

Ysiant, n. consumption

Ysig, a. fretting; corroding

Ysigdod, n. a contusion

Ysigo, v. to fret; to inflame

Ysigiad, n. a bruising

Yslac, a. distinct, loose, slack

Yslacad, n. a slackening

Yslacio, v. to slacken

Yslaif, n. a slash

Yslapiad, n. a slapping

Yslath, n. a rod, a perch

Ysled, n. a drag, a dray

Ysledfen, n. a drag cart

Yslepan, n. a trap, a gin

Yslipan, n. glibness; burnish

Yslipaniad, n. a burnishing

Yslapanu, v. to burnish

Ysmala, a. fickle; humorous

Ysmeityn, n. a space, a while

Ysmicio, v. to blink; to ogle

Ysmot, n. a patch, a spot

Ysmwcan, n. a puff of fog

Ysmwl, n. a squab: a. squabby

Ysnid, n. a snout; a snipe

Ysniten, n. a drop at the nose

Ysnoden, n. a fillet, a lace, a band. Ysnoden y mor, sea weeds

Ysnodeniad, n. a filleting

Ysnodenig, n. a bandlet

Ysnodenu, v. to fillet

Ysoldeb, n. a consuming state

Yspaddiad, n. an exhausting

Yspaddu, v. to exhaust

Yspaid, n. cessation; space

Yspail, n. a spoil, a prey

Yspaith, n. prospect, scene

Yspar, n. a spear, a lance