D.y.s.l.e.x.i.a and E.u.p.h.o.r.i.a

Dyslexia

Definition:

Dyslexia is a learning disability characterized by problems in reading, spelling, writing, speaking, or listening. In many cases, dyslexia appears to be inherited.

Euphoria

Definition: extreme happiness
Antonyms: depression, despair, misery, sorrow, unhappiness, woe