circle / round / circular / spherical / (of the moon) full / unit of Chinese currency (yuan) / tactful / to make consistent and whole (the narrative of a dream or a lie)
自圆其说
zì yuán qí shuō
to make a story or theory consistent / to give a plausible explanation / to plug the holes in one's story
一致字
yī zhì zì
(orthography) consistent words (e.g. "dean", "bean", and "lean", where "-ean" is pronounced the same in each case) / consistent characters (e.g. 搖|摇[yao2], 遙|遥[yao2] and 謠|谣[yao2], which share a phonetic component that reliably indicates that the pronunciation of the character is yáo)
yuán