Ymgymhell, v. to urge one’s self; to urge mutually
Ymgymhwyso, v. to render one’s self proper
Ymgymysgu, v. to mix one’s self
Ymgyndynu, v. to act with mutual stubbornness
Ymgynddeiriogi, v. to madden one’s self
Ymgynhenu, v. to employ one’s self in wrangling
Ymgynhesu, v. to make one’s self warm; to warm mutually
Ymgynhyrfu, v. to disturb one’s self; to disturb mutually
Ymgynal, n. self-support
Ymgynefino, v. to accustom one’s self