As nouns the difference between nonprofessional and null

is that nonprofessional is one who is not a professional; an amateur while null is zero, nil; the cardinal number before einn.

As an adjective nonprofessional

is not professional; amateur.

In lang=en terms the difference between endanger and destroy

is that endanger is to put (someone or something) in danger; to risk causing harm to while destroy is to put down or euthanize.

As verbs the difference between endanger and destroy

is that endanger is to put (someone or something) in danger; to risk causing harm to while destroy is .

As nouns the difference between collapse and spoilage

is that collapse is the act of collapsing while spoilage is the part of something that has spoiled.

As a verb collapse

is to fall down suddenly; to cave in.

As verbs the difference between skimming and survey

is that skimming is while survey is to inspect, or take a view of; to view with attention, as from a high place; to overlook; as, to stand on a hill, and survey the surrounding country.

As nouns the difference between skimming and survey

is that skimming is something skimmed from a surface etc while survey is the act of surveying; a general view, as from above.

As nouns the difference between mold and weld

is that mold is a hollow form or matrix for shaping a fluid or plastic substance or mold can be (senseid)a natural substance in the form of a woolly or furry growth of tiny fungi that appears when organic material lies for a long time exposed to (usually warm and moist) air or mold can be loose friable soil, rich in humus and fit for planting while weld is game (animals, birds).

As a verb mold

is to shape in or on a mold or mold can be to cause to become moldy; to cause mold to grow upon or mold can be to cover with mold or soil.

As a noun rtos

is (computing) real-time operating system.

As a pronoun so is

this;.

As nouns the difference between subjectiveness and subjectivism

is that subjectiveness is the quality of being subjective while subjectivism is (metaphysics) the doctrine that reality is created or shaped by the mind.

As an abbreviation wd

is (internet) well done.

As a noun hub is

lifting.

As nouns the difference between tornado and drought

is that tornado is tornado while drought is a period of below average rainfall, longer and more severe than a dry spell.

As a noun envy

is resentful desire of something possessed by another or others (but not limited to material possessions).

As a verb envy

is to feel displeasure or hatred towards (someone) for their good fortune or possessions.

As an adverb enviously is

in an envious manner or to an envious degree.