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 ardent: a. of ardent tendency
Ysteru, v. to render ardent
Ystid, n. what forms a wreath
Ystido, v. to form a wreath
Ystig, a. strenuous, perserving
Ystigo, v. to act strenuously
Ystle, n. a fight, a retreat
Ystlen, n. a sex, a kind
Ystlenol, a. sexual, kindred
Ystlom, n. excrement, ordure
Ystlomi, v. to void ordure
Ystlum, n. a bat, a bird
Ystlwn, n. connection, a kind
Ystlwyd, a. of a hoary hue
Ystlwyn, n. a luxuriant grove
Yslyned, n. society; kindred
Ystlyniad, n. a forming society
Ystlyniol, a. being associated
Ystlynu, v. to associate
Ystlys, n. a side, a flank
Ystlysgam, a. being lop-sided
Ystlysol, a. lateral, sided
Ystlysu, v. to go to one side
Ystod, n. a course; a layer; a swathe
Ystodi, v. to dispose a course range, layer, or swathe
Ystodiad, n. a laying of a course
Ystofen, n. a warping tray