Cynddawd, n. preposition
Cynddeall, v. to pre-conceive
Cynddeddf, n. instinct
Cynddefawd, n. precept
Cynddefnydd, n. original matter
Cynddeiriog, a. mad; furious
Cynddeiriogi, v. to madden
Cynddelw, n. archetype
Cynddethol, v. to pre-elect
Cynddirnad, n. pre-surmise