Light : Opaque
(a) Air : Hermetic
(b) Document : Author
(c) Sand : Desert
(d) Wood : Tree

INNOCUOUS
(a) Harmless
(b) Benevolent
(c) Gentle
(d) Non-infectious

HANDY
(a) Intact
(b) Accessible
(c) Supportive
(d) Handful

LEGACY
(a) Point
(b) Principle
(c) Inheritance
(d) Teaching

DISSEMINATE
(a) Develop
(b) Popular
(c) Impart
(d) Spread

EXHORTED
(a) Urged
(b) Forced
(c) Persuaded
(d) Demanded

AFFLICTION
(a) Problem
(b) Hardship
(c) Plight
(d) Distress

PANDEMONIUM
(a) Violence
(b) Quarrel
(c) Wild and noisy disorder
(d) Verbal exchange

DISPARATE
(a) Different
(b) Contrary
(c) Incongruous
(d) Unequal

DECADENT
(a) Deceased
(b) Disingenuous
(c) Deteriorating
(d) Belonging to the last decade

FACTITIOUS
(a) Amorous
(b) Causing dissension
(c) Controversial
(d) Artificial