Peppy is a related term of incisive.

As adjectives the difference between peppy and incisive

is that peppy is full of pep; energetic, cheerful, and vigorous; bouncy while incisive is quickly proceeding to judgment and forceful in expression; decisive; forthright.

Impressive is a related term of worthwhile.

As adjectives the difference between impressive and worthwhile

is that impressive is making, or tending to make, an impression; having power to impress; adapted to excite attention and feeling, to touch the sensibilities, or affect the conscience; as, an impressive discourse; an impressive scene while worthwhile is good and important enough to spend time, effort, or money on.

Exploration is a related term of review.

As nouns the difference between exploration and review

is that exploration is the act of exploring while review is a second or subsequent reading of a text or artifact.

As a verb review is

to survey; to look broadly over.

Profligate is a related term of immoderate.

As adjectives the difference between profligate and immoderate

is that profligate is (obsolete) overthrown, ruined while immoderate is excessive or lacking, not consistent.

As a noun profligate

is an abandoned person; one openly and shamelessly vicious; a dissolute person.

As a verb profligate

is (obsolete) to drive away; to overcome.

Batter is a related term of whip.

In baseball|lang=en terms the difference between batter and whip

is that batter is (baseball) the player attempting to hit the ball with a bat while whip is (baseball) ; a statistic of the number of baserunners a pitcher has allowed per inning pitched.

As a verb batter

is to hit or strike violently and repeatedly or batter can be (architecture) to slope (of walls, buildings etc).

As a noun batter

is a beaten mixture of flour and liquid (usually egg and milk), used for baking (eg pancakes, cake, or yorkshire pudding) or to coat food (eg fish) prior to frying or batter can be an incline on the outer face of a built wall or batter can be (baseball) the player attempting to hit the ball with a bat.

As an acronym whip is

(baseball) ; a statistic of the number of baserunners a pitcher has allowed per inning pitched.

As nouns the difference between empress and sovereign

is that empress is the female monarch (ruler) of an empire while sovereign is a monarch; the ruler of a country.

As a verb empress

is alternative form of lang=en.

As a proper noun Empress

is a village in Alberta, Canada.

As an adjective sovereign is

exercising power of rule.

As adjectives the difference between hesitant and doubtful

is that hesitant is tending to hesitate, wait, or proceed with caution or reservation while doubtful is subject to, or causing doubt.

Secret is a related term of inexplicable.

As adjectives the difference between secret and inexplicable

is that secret is being or kept hidden while inexplicable is impossible to explain; not easily accounted for.

As a noun secret

is (countable|uncountable) knowledge that is hidden and intended to be kept hidden.

As a verb secret

is to make or keep secret.

As nouns the difference between inkling and information

is that inkling is a slight suspicion or hint while information is things that are or can be known about a given topic; communicable knowledge of something.

As a verb inkling

is present participle of lang=en.

As nouns the difference between contempt and disfavour

is that contempt is the state of contemning; the feeling or attitude of regarding someone or something as inferior, base, or worthless; scorn, disdain while disfavour is the state of being out of favour.

As a verb disfavour is

to show lack of favour or antipathy towards.