Bemoan is a related term of grieve.

As a verb bemoan

is to moan or complain about; be dismayed or worried about something.

As an adjective grieve is

.

Doubting is a related term of uncertain.

As a verb doubting

is .

As a noun doubting

is a condition of doubt.

As an adjective uncertain is

not certain; unsure.

Gaiety is a synonym of diversion.

As nouns the difference between diversion and gaiety

is that diversion is a tactic used to draw attention away from the real threat or action while gaiety is   The state of being happy.

As adjectives the difference between unadulterated and dependable

is that unadulterated is pure; not mixed or adulterated with anything while dependable is able, or easily able to be depended on.

As a noun dependable is

a reliable person or thing.

Be_substantive is likely misspelled.

Be_substantive has no English definition.

As a verb count is

to recite numbers in sequence.

As a noun count is

the act of counting or tallying a quantity.

As nouns the difference between discrimination and rank

is that discrimination is a distinction; discernment, the act of discriminating, discerning, distinguishing, noting or perceiving differences between things while rank is a row of people or things organized in a grid pattern, often soldiers [the corresponding term for the perpendicular columns in such a pattern is "file"].

As an adjective rank is

strong of its kind or in character; unmitigated; virulent; thorough; utter.

As an adverb rank is

quickly, eagerly, impetuously.

As a verb rank is

to place abreast, or in a line.

As adjectives the difference between empty and unrewarding

is that empty is devoid of content; containing nothing or nobody; vacant while unrewarding is not providing reward or satisfaction.

As a verb empty

is to make empty; to void; to remove the contents of.

As a noun empty

is a container, especially a bottle, whose contents have been used up, leaving it empty.

Ticket is a related term of seal.

As nouns the difference between ticket and seal

is that ticket is ticket while seal is sea, air, land (used as a name of a military unit).

In uncountable terms the difference between inference and theory

is that inference is the act or process of inferring by deduction or induction while theory is the underlying principles or methods of a given technical skill, art etc., as opposed to its practice.

Lifeless is a related term of expressionless.

As adjectives the difference between lifeless and expressionless

is that lifeless is inanimate; having no life while expressionless is without expression.