Agos, Close
Annwyl, Dear
Anodd, Difficult
Araf, Slow
Arall, Other 
Bach, Small little
Blasus, Tasty
Brown, Brown
Brwnt, Dirty
Byr, Short
Caled, Hard
Caredig, Kind
Cās, Nasty
Coch, Red
Creulon, Cruel
Crwn, Round
Cryf, Strong
Cul, Narrow
Cyflym, Fast quick
Cyfoethog, Rich
Cyfforddus, Comfortable
Cyffredin, Ordinary common
Cyffrous, Exciting
Cymylog, Cloudy
Cynnar, Early
Da, Good
Diddorol, Interesting
Diflas, Miserable
Doeth, Wise
Drwg, Bad naughty
Du, Black
Dwfn, Deep
Ffiaidd, Foul
Ffyrnig, Fierce
Galluog, Able
Garw, Rough
Glas, Blue
Glān, Clean
Gofalus, Careful
Golau, Light (colour/shade)
Golygus, Handsome
Gwan, Weak
Gwerthfawr, Valuable
Gwlyb, Wet
Gwyn, White
Gwyrdd, Green
Hagr, Ugly
Hapus, Happy
Hawdd, Simple
Hen, Old
Heulog, Sunny
Hir, Long
Hoff, Favourite
Hwyr, Late
Hyll, Ugly
Ifanc, Young
Iach, Healthy
Isel, Low
Llonydd, Still calm
Llwyd, Grey
Llydan, Wide
Mawr, Large big
Meddal, Soft
Melyn, Yellow
Newydd, New
Oer, Cold
Ofnadwy, Terrible
Oren, Orange
Pell, Far
Perffaith, Perfect
Pinc, Pink
Piws, Puce (dark purple)
Prif, Main chief- head-
Poeth, Warm
Porffor, Purple
Pwysig, Important
Rhād, Cheap
Swnllyd, Noisy
Sych, Dry
Syth, Straight
Tal, Tall
Tawel, Quiet
Tebyg, Similar alike
Teg, Fair
Tenau, Thin
Tew, Fat
Tlawd, Poor
Tlws, Pretty
Trist, Sad
Trwm, Heavy
Twp, Stupid
Uchel, High
Unig, Only lonely 
Ysgafn, Light (weight)