As adjectives the difference between substantial and nonsubstantial

is that substantial is having to substance; actually existing; real; as, substantial life while nonsubstantial is not substantial; without substance.

As a noun substantial

is anything having substance; an essential part.

As a noun substance

is physical matter; material.

As an adjective nonsubstantial is

not substantial; without substance.

As a verb visiting

is present participle of lang=en.

As a noun visiting

is the act of someone or something that visits.

As an adjective nonvisiting is

not engaging in visits.

As adjectives the difference between efficient and nonefficient

is that efficient is making good, thorough, or careful use of resources; not consuming extra. Especially, making good use of time or energy while nonefficient is not efficient.

As an adjective doughy

is having the characteristics of dough especially in appearance or consistency: as.

As a noun doughiness is

the state or condition of being doughy.

As adjectives the difference between ergonomic and nonergonomic

is that ergonomic is of or relating to the science of ergonomics while nonergonomic is not ergonomic.

As adjectives the difference between angular and nonangular

is that angular is relating to an angle or angles; having an angle or angles; forming an angle or corner; sharp-cornered; pointed; as in, an angular figure while nonangular is not angular.

As a noun angular

is (anatomy) a bone in the base of the lower jaw of many birds, reptiles, and fishes.

As nouns the difference between nursemaid and nurserymaid

is that nursemaid is a woman or girl employed to care for children while nurserymaid is nursemaid.

As a verb nursemaid

is to tend to as a nursemaid.

As adjectives the difference between abusive and nonabusive

is that abusive is wrongly used; perverted; misapplied; unjust; illegal while nonabusive is not abusive.

As adjectives the difference between vehicular and nonvehicular

is that vehicular is of or pertaining to a vehicle or vehicles, usually specifically cars and trucks while nonvehicular is not vehicular.