As verbs the difference between quite and remain

is that quite is while remain is to stay behind while others withdraw; to be left after others have been removed or destroyed; to be left after a number or quantity has been subtracted or cut off; to be left as not included or comprised.

As a noun remain is

state of remaining; stay.

As nouns the difference between hacker and spy

is that hacker is hacker while spy is a person who secretly watches and examines the actions of other individuals or organizations and gathers information on them (usually to gain an advantage).

As a verb spy is

to act as a spy.

As verbs the difference between determine and finding

is that determine is while finding is .

As a noun finding is

a result of research or an investigation.

As verbs the difference between determine and optimize

is that determine is while optimize is (originally|intransitive) to act optimistically or as an optimist.

As verbs the difference between determining and optimizing

is that determining is present participle of lang=en while optimizing is present participle of lang=en.

As an adjective optimizing is

something whose purpose is to optimize.

As an adverb reluctantly

is in a reluctant or hesitant manner.

As an adjective unwilling is

not willing; loath; disinclined; reluctant; as, an unwilling servant.

As nouns the difference between disposition and distraction

is that disposition is disposal while distraction is something that distracts.

As verbs the difference between induced and seduced

is that induced is (induce) while seduced is (seduce).

As nouns the difference between existence and extance

is that existence is the state of being, existing, or occurring; beinghood while extance is (obsolete|rare) emergence.

As a verb characterize

is to depict someone or something a particular way (often negative).

As an adjective characteristic is

being a distinguishing feature of a person or thing.

As a noun characteristic is

a distinguishable feature of a person or thing.