Diannel, a. aimless
Diannod, a. instantaneous
Diannog, a. unexited
Diannwyd, a. unchilled
Dianrheg, a. giftless
Dianrhydedd, without honour
Diantur, a. without enterprise
Dianudon, a. not perjured
Dianwadal, a. unwavering
Diaraf, a. not dilatory or slow