-atic

-atic

suffix forming adjectives
of the nature of the thing specified: problematic.
[from French -atique, from Greek -atikos]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014