As a noun unbeliever

is one who does not believe, particularly in a deity (used by believers to describe other people).

As an adjective undefined is

lacking a definition or value.

As a noun nephrostomy

is (surgery) the creation of a nephrostome.

As an adjective undefined is

lacking a definition or value.

As a noun forestry

is the science of planting and growing trees in forests.

As an adjective undefined is

lacking a definition or value.

As a noun bureaucrat

is an official who is part of a bureaucracy.

As an adjective undefined is

lacking a definition or value.

As a verb novel

is to increase (to make larger).

As an adjective marvelous is

(us) exciting wonder or surprise; astonishing; wonderful.

As a numeral zero

is zero.

As a noun zero

is zero.

As an adjective undefined is

lacking a definition or value.

As adjectives the difference between demure and undefined

is that demure is quiet, modest, reserved, sober, or serious while undefined is lacking a definition or value.

As a verb demure

is (obsolete) to look demurely.

In lang=en terms the difference between retaliate and combat

is that retaliate is to repay or requite by an act of the same kind while combat is to fight with; to struggle for victory against.

As verbs the difference between retaliate and combat

is that retaliate is to do something harmful or negative to get revenge for some harm; to fight back or respond in kind to an injury or affront while combat is to fight with; to struggle for victory against.

As a noun combat is

a battle, a fight (often one in which weapons are used); a struggle for victory.

As a verb eradicate

is to pull up by the roots; to uproot.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between nose and nosiness

is that nose is a protuberance on the face housing the nostrils, which are used to breathe or smell while nosiness is the property of being nosy.

As a verb nose

is to move cautiously.