As verbs the difference between estimate and impute

is that estimate is to calculate roughly, often from imperfect data while impute is .

As a noun estimate

is a rough calculation or guess.

As adverbs the difference between appreciably and considerably

is that appreciably is in an appreciable manner while considerably is significantly; to a degree worth considering.

As nouns the difference between accuracy and productivity

is that accuracy is the state of being accurate; freedom from mistakes, this exemption arising from carefulness; exactness; nicety; correctness while productivity is the state of being productive, fertile or efficient.

As nouns the difference between accuracy and courtesy

is that accuracy is the state of being accurate; freedom from mistakes, this exemption arising from carefulness; exactness; nicety; correctness while courtesy is (uncountable) polite behavior.

As a verb courtesy is

.

As an adjective courtesy is

given or done as a polite gesture.

In lang=en terms the difference between book and run

is that book is six tricks taken by one side while run is a rapid passage in music, especially along a scale.

In transitive terms the difference between book and run

is that book is to write down, to register or record in a book or as in a book while run is to cost a large amount of money.

As an adjective run is

in a liquid state; melted or molten.

As nouns the difference between stroke and infarction

is that stroke is an act of stroking moving one's hand over a surface while infarction is the process which causes an infarct.

As a verb stroke

is to move one's hand or an object (such as a broom) along (a surface) in one direction.

As nouns the difference between thread and vein

is that thread is thread (computing: unit of execution) while vein is .

In lang=en terms the difference between humiliate and surrogate

is that humiliate is to injure a person's dignity and self-respect while surrogate is to replace or substitute something with something else; appoint a successor.

As verbs the difference between humiliate and surrogate

is that humiliate is to injure a person's dignity and self-respect while surrogate is to replace or substitute something with something else; appoint a successor.

As a noun surrogate is

a substitute (usually of a person, position or role).

As an adjective surrogate is

of, concerning, relating to or acting as a substitute.

As verbs the difference between abjure and adhere

is that abjure is while adhere is .

As an adjective determined

is decided; resolute, possessing much determination.

As a verb determined

is past tense of determine.

As a noun determinates is

plural of lang=en.