chthonian /(k-)thōˈni-ən/ or chthonic /(k-)thonˈik/

1. Relating to the earth or the underworld and the deities inhabiting it
2. Ghostly

• devil-in-a-bush
• deviling
• devilings
• devilish
• devilishly
• devilishness
• devilism
• devilisms
• devilkin
• devilkins
• devilled
• devilling
• devil-may-care
• devilment
• devilments
• devil of a mess
• devil-on-the-neck
• devil-on-two-sticks
• devilries
• devilry
• devils
• devil's advocate
• devil's advocates
• devil's-bit
• devil's-bit scabious