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
Yslacâd, 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, seaweeds
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
Yspardun, n. a spur
Yspardunad, n. a spurring
Ysparduno, v. to spur
Ysparth, n. separation
Ysparthiad, n. a separating
Yspeidiad, n. an intermission
Yspeiliad, n. spoliation
Yspeilio, v. to spoil
Yspeithell, n. a spectacle
Yspelwi, n. to gall, to fret
Yspennydd, n. overwhelming
Yspicell, n. a dart, a bolt
Yspicella, v. to throw a dart
Yspicelliad, n. throwing of darts
Yspig, n. a spike; a spine
Yspigo, v. to spike, to prick