Seiliant, n. a foundation
Seilio, v. to lay a foundation
Seiliog, a. having a foundation
Seilwaith, n. ground-work
Seilydd, n. a founder
Seimio, v. to grease over
Seimiol, a. of a greasy quality
Seimlyd, a. of a greasy quality
Seinfawr, a. sonorous, loud
Seinglawr, n. sounding board
Seiniad, n. a sounding; accent
Seiniant, n. a making a sound
Seinio, v. to sound, to resound
Seiniol, a. sounding; toned
Seintio, v. to canonise
Seintiol, a. hallowed; saintly
Seintiolaeth, n. sanctitude
Seirch, n. equipage; harness
Seirchio, v. to harness
Seirian, a. sparkling, glittering
Seirianad, n. a sparkling
Seirianu, v. to sparkle
Seithdant, n. a heptachord
Seithfed, a. seventh
Seithongl, n. a septangle
Seithug, a futile, fruitless
Seithugiant, n. frustration
Sel, n. espying; distant view sea
Selder, n. keen-sightedness
Seldremio, v. to range
Seliad, n. an espying; perception
Seliant, n. a perception
Selsig, n. a pudding; a sausage
Selu, v. to espy, to gaze
Salw, n. a gaze, a beholding
Sellt, n. a limit, a border
Selltu, v. to explore, to seek
Sen, n. a stigma, a taunt
Senedd, n. a senate; synod
Seneddol, a. senetorial
Seneddu, v. to form a senate
Seniad, n. a taunting; chiding
Senol, a. taunting, scoffing
Sensigl, n. a daisy
Senu, v. to taunt; to chide
Senw, n. a stigma; a reproach
Senyllt, n. a seneschal
Ser, n. bill, or bill-hook
Sêr, n. stars
Serch, n. regard, or love: prep. with respect to, notwithstanding
Serchiad, n. a loving
Serchog, a. loving, amorous
Serchogi, v. to render fond
Sercholdeb, n. amorousness
Serchu, v. to be affected; to love
Seren, n. a star; a spangle
Sereniad, n. a sparkling
Serenig, n. an asterisk
Serenol, a. sparkling as a star
Serenu, v. to sparkle
Serenwyl, n. epiphany
Serf, a. whirling; dizzy, giddy
Serfanol, a. startling; staring
Serfanu, v. to startle; to stare
Serfyll, a. unsteady; shattered
Serfylliad, n. a shattering
Serig, a. starred; spangled
Serigl, a. studded, spangled
Serigliad, n. a bespangling
Serliw, n. starlight
Serlo, n. a star-glow; sparkling
Serofydd, n. an astronomer
Serofyddol, a. astronomical
Serog, a. having stars, starry
Seroliaeth, n. the starry system
Seron, n. the starry system
Seroni, v. to systemise stars
Seronydd, n. an astronomer
Serth, n. tendency, a steep
Serthan, n. a precipice, a cliff
Serthedd, n. steepness; obscenity
Serthi, n. obscenity
Serthiant, n. steepness
Serthol, a. precipitous; obscene
Serthu, v. to make steep; to grow steep; to grow obscenely
Serthus, a. declivious; obscene
Serw, a. sparkling, glittering
Serydd, n. an astronomer
Seryddiaeth, n. astronomy
Seryddol, a. astronomical
Sew, n. gravy; juice; jelly
Sewyd, n. diffusion of stars
Si, n. a hiss, a whiss, a buzz
Sïad, n. a hissing; a buzzing