Gwallawd, n. failure, mistake
Gwallawg, a. defective, faulty
Gwallawgair, n. error in pleading
Gwallawiad, n. a pouring out
Gwallbwyll, n. irrationality, defect of reason
Gwalldan, n. wild fire
Gwallfarn, n. faulty judgment
Gwallgof, n. distraction
Gwargofi, v. to fail in memory
Gwalliad, n. a failing