A PHOBIA is an abnormal or irrational fear of something, as Meg screamed when the robin flew in the window, because she has a phobia about birds. Many words are formed with -phobia as a SUFFIX to refer to various specified fears. they are commonly used in psychiatry and related fields, and some are quite well known in the general language, as claustrophobia, fear of enclosed spaces, and hydrophobia, fear of water.
The following are examples of phobias:
AGORAPHOBIA, fear of open spaces or public spaces
NEOPHOBIA, fear of novelty or new things
XENOPHOBIA, fear of foreigners or strangers
The adjectival suffix -phobic is used to describe someone who is suffering from such a fear, while nouns ending in the suffix -phobic refer to someone affected by such a fear.
Now, let's have some exercise!! Click on the picture to view larger picture. Here it is: