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

Yspigod, n. a spinkle; a spiggot

Yspigoglys, n. spinage

Yspil, n. a dribblet, a mite

Yspincyn, n. a finch

Yspin-glairch, n. a bridegroom

Yspinog, n. the quinsy

Ysplan, a. bright, splendid

Ysplenydd, n. splendour

Ysponc, n. a jerk; a smack

Ysponciad, n. a smacking

Ysponcio, v. to smack; to jet

Ysporion, n. refuse of fodder

Ysporthen, n. a basket, a pannier

Ysporthi, v. to support

Ysporthiant, n. sustenance

Yspwng, n. light tuft; sponge

Yspwysiad, n. impression

Yspydd, n. a jut or run out

Yspyddad, n. hawthron

Yssig, a. shattered, bruised

Yssigdod, n. contusion

Yssigiad, n. a crushing, a bruising

Yssigo, v. to bruise, to shatter, to crush; to quell

Ystac, n. a heap, a stack

Yspaciad, n. a stacking

Ystacio, v. to pile, to heap

Ystad, n. a state, a condition

Ystadaeth, n. statistics

Ystaen, n. stain; tin: a. stained

Ystaeniad, n. a staining; a tinning

Ystafell, n. a chamber, a room

Ystafellog, a. having a room

Ystafellu, v. to form a room

Ystafellydd, n. a chamberlain

Ystafellyddes, n. a chambermaid

Ystagiad, n. a suffocation

Ystagu, v. to suffocate, to choke

Ystang, n. a perch in measure

Ystalm, n. a good while

Ystalu, v. to form a stock

Ystalwyn, n. a stallion

Ystanc, n. a holdfast, a bracket, a wooden book. Ystanc ceffyl, a horse-
block

Ystanciad, n. a bracketing

Ystancio, to stanch; to bracket

Ystarn, n. a packsaddle, a saddle

Ystarnwr, n. a saddler

Ystefaig, n. the palate

Ysteinio, v. to cause a spread

Ystel, n. what stretches out

Ystelc, n. a lurk; a loiter

Ystelciad, n. lurking; a loitering

Ystelcian, v. to lurk; to loiter

Ystellff, n. a blockhead

Ystellffu, v. to render rigid

Ysteliad, n. a straining out

Ystem, n. a base, a stem

Yster, n. what is ardent

Ysteraig, a. ardent

Ysterciad, n. a jerking out

Ystercian, v. to be jerking

Ystercio, v. to jerk out

Ysterlewyn, n. radiation

Ystern, n. what is ar