-ac
(Greek > Latin: a suffix from French -aque, or directly from Latin -acus, from Greek -akos. This suffix was used to form names of arts and sciences in Greek and it is now generally used to form new names of sciences in English; meanings, "related to, of the nature of, pertaining to, referring to")
A suffix that forms adjectives. The suffix -ic has related elements.
ambrosiac
The food of the gods, thought to confer immortality; now, a dessert consisting primarily of oranges and flaked coconut.
ammoniac
amnesiac
1. Someone who is afflicted with amnesia.
2. Partial or total loss of memory.
anaphrodisiac
1. Something which decreases sexual desires.
2. Tending to diminish sexual desire.
3. A chemical that inhibits sexual response.
4. Repressing or destroying sexual desire.
anthomaniac
Someone who has an abnormal passion for flowers or who is intensely fond of flowers.
antidemoniac
1. Opposed to demons.
2. Anything effective against evil spirits.
aphorodisiac
cardiac
Near or relating to the heart.
celiac
coeliac
demoniac
Believed to be possessed by a demon, devil, or evil spirit; insane.
elegiac
haemophiliac
heliac
hemophiliac