潔白 Kanji
私は彼が潔白だと断言した。 I affirmed that he was innocent.
清廉潔白 Kanji
清廉潔白できこえた彼が、汚職なんかに手を染めるわけない。 He has a reputation as being straight as an arrow. He'd never get involved in corruption.
清浄潔白 Kanji