- acid
- acidic
- acrid
- adding
- aiding
- arcadia
- arcadian
- arid
- cadging
- canard
- candid
- canid
- card
- cardiac
- cardigan
- carding
- cicada
- circadian
- dancing
- dang
- daring
- darn
- darning
- dicing
- digging
- dinar
- ding
- dinging
- dining
- drag
- dragging
- drain
- draining
- gadding
- gird
- girding
- grad
- grading
- grand
- grandad
- granddad
- grid
- grind
- grinding
- indica
- indicia
- nada
- nadir
- naiad
- radar
- radian
- radii
- raid
- raiding
- rancid
- rand
- ridding
- ridging
- riding
- rigid
- rind