As nouns the difference between layer and layeredness

is that layer is a single thickness of some material covering a surface while layeredness is the quality of having layers.

As a verb layer

is (ambitransitive) to cut or divide (something) into layers.

As adjectives the difference between sentimental and ultrasentimental

is that sentimental is characterized by sentiment, sentimentality or excess emotion while ultrasentimental is highly sentimental.

As a noun worm

is .

As an adjective wormproof is

resistant to worms.

As nouns the difference between speedball and speedballer

is that speedball is (slang|countable) a mix of heroin and cocaine while speedballer is a drug addict who takes speedballs (cocaine and heroin).

As a verb strategize

is to formulate a strategy.

As a noun strategizer is

one who strategizes.

As nouns the difference between superhero and superheroism

is that superhero is any kind of fantasy/science fiction crime-fighting character, often with supernatural powers or equipment, in popular children's and fantasy literature while superheroism is the state of being a superhero.

As adjectives the difference between bellicose and unbellicose

is that bellicose is warlike in nature; aggressive; hostile while unbellicose is not bellicose; unwarlike.

As a noun litigation

is (legal) the conduct of a lawsuit.

As an adjective prelitigation is

prior to litigation.

As nouns the difference between trampoline and minitrampoline

is that trampoline is while minitrampoline is a small trampoline.

As adjectives the difference between obscure and semiobscure

is that obscure is dark, faint or indistinct while semiobscure is somewhat obscure.

As a verb obscure

is (label) to render obscure; to darken; to make dim; to keep in the dark; to hide; to make less visible, intelligible, legible, glorious, beautiful, or illustrious.