We are phobic about flying, but not about driving - although driving is vastly more dangerous.
1888, from phobia + -ic. As a noun from 1968. The Greek adjective was phobetikos "liable to fear."
phobic pho·bic (fō'bĭk)adj. Of, relating to, arising from, or having a phobia. n. One who has a phobia.
-phobic or -phoboussuff.
Having a fear of or an aversion for: photophobic.
Lacking an affinity for: lyophobic.