Ymgyfiawnâu, v. to justify one’s self
Ymgyflawni, v. to complete one’s self
Ymgyflogi, v. to hire one’s self
Ymgyflwyno, v. to consociate one’s self
Ymgyfodi, v. to raise one’s self
Ymgyfranogi, v. to render one’s self participating
Ymgyfreithio, v. to litigate mutually; to go to law
Ymgynghori, v. to consult one’s self; to consult mutually
Ymgymdeithasu, v. to associate one’s self
Ymgymedroli, v. to moderate one’s self