As adjectives the difference between built and false

is that built is (informal) well-built while false is (label) one of two states of a boolean variable; logic.

As a verb built

is (build).

As a noun built

is (obsolete) shape; build; form of structure.

As nouns the difference between offside and offset

is that offside is (sports) an offside play while offset is anything that acts as counterbalance; a compensating equivalent.

As an adjective offside

is (sports) in an illegal position ahead of the ball.

As a verb offset is

to compensate for something.

As a noun ardours

is .

As an adjective tedious is

boring, monotonous, time consuming, wearisome.

As nouns the difference between diptych and reredos

is that diptych is a writing tablet consisting of two leaves of rigid material connected by hinges and shutting together so as to protect the writing within while reredos is a screen or decoration behind the altar in a church, usually depicting religious iconography or images.

As nouns the difference between sore and mark

is that sore is while mark is sign.

As nouns the difference between retable and altarpiece

is that retable is a table or shelf behind an altar, on which are placed images or holy objects while altarpiece is a work of art suspended above and behind an altar in a church.

As nouns the difference between bulla and vesicula

is that bulla is (medicine) a blister, vesicle, or other thin-walled cavity or lesion or bulla can be a rich jamaican cake made with molasses and spiced with ginger and nutmeg while vesicula is (medicine|anatomy) a vesicle.

As a noun ataxia

is (pathology) lack of coordination while performing voluntary movements, which may appear to be clumsiness, inaccuracy, or instability.

As a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.