As verbs the difference between impact and challenges

is that impact is to compress; to compact; to press or pack together while challenges is .

As a noun impact

is the striking of one body against another; collision.

As nouns the difference between mediocracy and mediocrity

is that mediocracy is a social hierarchy in which the mediocre prevails while mediocrity is the quality of being intermediate between two extremes; a mean.

As nouns the difference between clerk and shopkeeper

is that clerk is one who occupationally works with records, accounts, letters, etc.; an office worker while shopkeeper is a trader who sells goods in a shop, or by retail; -- in distinction from one who sells by wholesale, or sells door to door.

As a verb clerk

is to act as a clerk, to perform the duties or functions of a clerk.

As a noun curriculum is

curriculum vitae.

As a noun taxonomy

is the science or the technique used to make a classification.

As a verb subdue is

to overcome, quieten, or bring under control.

In obsolete terms the difference between shape and core

is that shape is to imagine; to conceive while core is a body of individuals; an assemblage.

As nouns the difference between shape and core

is that shape is the status or condition of something while core is the central part of fruit, containing the kernels or seeds.

As verbs the difference between shape and core

is that shape is to give something a shape and definition while core is to remove the core of an apple or other fruit.

As an acronym CORE is

congress of Racial Equality.

As a proper noun Core is

the birth name of Persephone/Proserpina, the queen of the Underworld/Hades, and goddess of the seasons and of vegetation. She is the daughter of Zeus and Demeter; and the wife of Hades.

Dishealthy is likely misspelled.

Dishealthy has no English definition.

As an adjective unhealthy is

characterized by, or conducive to poor health.

As an adjective insincere

is not genuinely meaning what has been expressed; not sincere; artificial.

As a noun unc is

uncle.

As an initialism UNC is

Uniform Naming Convention, a common syntax to describe the location of a network resource.

As a noun dog

is a mammal, canis lupus familiaris , that has been domesticated for thousands of years, of highly variable appearance due to human breeding.

As a verb dog

is to pursue with the intent to catch.

As a proper noun snake is

(video games) an early computer game, later popular on mobile phones, in which the player attempts to manoeuvre a perpetually growing snake so as to collect food items and avoid colliding with walls or the snake's tail.

As nouns the difference between glabella and forehead

is that glabella is (anatomy) the space between the eyebrows and the nose while forehead is the part of the face above the eyebrows and below the hairline.