Litscape Default Censored Word List:
18 words ending with ac, 12 letters long

ablutomaniac aboulomaniac agoraphobiac anglophobiac cleptomaniac coprophiliac demonomaniac extracardiac haemophiliac kleptomaniac megalomaniac necrophiliac negrophobiac nymphomaniac ochlophobiac paedophiliac russophobiac tachycardiac