planar

As a noun motherboard

is (computer hardware) the primary circuit board of a personal computer, containing the circuitry for the central processing unit, keyboard, mouse and monitor, together with slots for other devices.

As an adjective planar is

of or pertaining to a plane.

As an adjective planar

is of or pertaining to a plane.

As a verb surface is

.

As adjectives the difference between planar and spatial

is that planar is of or pertaining to a plane while spatial is of or pertaining to space.

As adjectives the difference between linear and planar

is that linear is linear (in mathematics, of first-degree polynomial) while planar is of or pertaining to a plane.

As adjectives the difference between planar and plainer

is that planar is of or pertaining to a plane while plainer is (plain).

As an adjective planar

is of or pertaining to a plane.

As a noun shaper is

one who shapes.

As a noun planner

is one who plans.

As an adjective planar is

of or pertaining to a plane.

As adjectives the difference between planar and parallel

is that planar is of or pertaining to a plane while parallel is equally distant from one another at all points.

As an adverb parallel is

with a parallel relationship.

As a noun parallel is

one of a set of parallel lines.

As a verb parallel is

to construct or place something parallel to something else.

As adjectives the difference between flush and planar

is that flush is smooth, even, aligned; not sticking out while planar is of or pertaining to a plane.

As a noun flush

is a group of birds that have suddenly started up from undergrowth, trees etc or flush can be a sudden flowing; a rush which fills or overflows, as of water for cleansing purposes or flush can be (poker) a hand consisting of all cards with the same suit.

As a verb flush

is to cause to take flight from concealment or flush can be to cleanse by flooding with generous quantities of a fluid.

Level is a related term of planar.

As a noun level

is leaf (part of a plant).

As an adjective planar is

of or pertaining to a plane.