Hard is a synonym of diligent.

As a noun hard

is stove, heater; an enclosed space in which fuel (usually wood) is burned to provide heating, usually for cooking.

As an adjective diligent is

performing with intense concentration, focus, responsible regard.

Quarry is a related term of quest.

As a noun quarry

is a site for mining stone, limestone or slate or quarry can be an animal which is hunted, notably mammal or bird or quarry can be a diamond-shaped tile or pane, notably of glass or stone.

As a verb quarry

is to obtain (mine) stone by extraction from a quarry or quarry can be to secure prey; to prey, as a vulture or harpy.

As an abbreviation quest is

quantized electronic structure.

As adjectives the difference between wavering and eccentric

is that wavering is fluctuating; being in doubt; undetermined; indecisive; uncertain; unsteady while eccentric is not at or in the centre; away from the centre.

As nouns the difference between wavering and eccentric

is that wavering is a state of fluctuation or indecision while eccentric is one who does not behave like others.

As a verb wavering

is present participle of lang=en.

Repression is a related term of cessation.

As nouns the difference between repression and cessation

is that repression is repression while cessation is (formal) a ceasing or discontinuance, as of action, whether temporary or final.

Unceasing is a related term of wearisome.

As adjectives the difference between unceasing and wearisome

is that unceasing is continuous; continuing indefinitely without stopping while wearisome is tiresome, tedious or causing fatigue.

As nouns the difference between leaves and leafage

is that leaves is plural of lang=en while leafage is the leaves of plants collectively; foliage.

As a verb leaves

is third-person singular of leave.

As nouns the difference between cake and hunk

is that cake is a rich, sweet dessert food, typically made of flour, sugar, and eggs and baked in an oven, and often covered in icing while hunk is a large or dense piece of something.

As a verb cake

is coat (something) with a crust of solid material.

Bawdy is a synonym of indelicate.

As adjectives the difference between bawdy and indelicate

is that bawdy is (obsolete) soiled, dirty while indelicate is .

Sneaking is a related term of disguised.

As verbs the difference between sneaking and disguised

is that sneaking is while disguised is (disguise).

As a noun sneaking

is the act of one who sneaks.

Merriment is a related term of gambol.

As nouns the difference between merriment and gambol

is that merriment is a state of enjoyable exuberance while gambol is an instance of running or skipping about playfully.

As a verb gambol is

to move about playfully; to frolic.