In intransitive terms the difference between twitter and whisper

is that twitter is to utter a succession of chirps while whisper is to speak with suspicion or timorous caution; to converse in whispers, as in secret plotting.

In transitive terms the difference between overlay and paint

is that overlay is to lay, or spread, something over or across; to cover while paint is to create (an image) with paints.

As nouns the difference between outsider and barbarian

is that outsider is one who is not part of a community or organization while barbarian is an uncivilized or uncultured person, originally compared to the hellenistic Greco-Roman civilisation; often associated with fighting or other such shows of strength.

As an adjective barbarian is

relating to people, countries or customs perceived as uncivilized or inferior.

Apparent is a related term of feigned.

As adjectives the difference between apparent and feigned

is that apparent is capable of being seen, or easily seen; open to view; visible to the eye; within sight or view while feigned is being a pretense, a counterfeit, or something false or fraudulent.

As a verb feigned is

(feign).

As nouns the difference between boor and dolt

is that boor is a peasant while dolt is a stupid person; a blockhead or dullard.

As a verb dolt is

to behave foolishly.

Coed is a related term of disciple.

As nouns the difference between coed and disciple

is that coed is alternative spelling of while disciple is any of the followers of jesus christ.

As an adjective coed

is alternative spelling of.

Crooked is a related term of bogus.

As adjectives the difference between crooked and bogus

is that crooked is not straight; having one or more bends or angles while bogus is counterfeit or fake; not genuine.

As a verb crooked

is (crook).

As a noun bogus is

(us|dialect) a liquor made of rum and molasses.

As adjectives the difference between luxurious and magnificent

is that luxurious is enjoying pleasures of luxury while magnificent is grand, elegant or splendid in appearance.

Luxurious is a related term of flash.

As an adjective luxurious

is enjoying pleasures of luxury.

As a proper noun flash is

(computing) a popular multimedia platform, most often used for adding animation and interactivity to webpages.

In transitive terms the difference between dip and dimple

is that dip is to perform (a bow or curtsey) by inclining the body while dimple is to create a dimple in.

In intransitive terms the difference between dip and dimple

is that dip is to incline downward from the plane of the horizon while dimple is to create a dimple in one's face by smiling.