As adjectives the difference between communicative and noncommunicative

is that communicative is someone or something which tends to eagerly and effectively communicate while noncommunicative is not communicative.

As adjectives the difference between isotropic and nonisotropic

is that isotropic is (physics) having properties that are identical in all directions; exhibiting isotropy while nonisotropic is not isotropic.

As nouns the difference between protein and nexin

is that protein is protein while nexin is (protein) a protein that constitutes a link between microtubules in cilia and flagella.

As nouns the difference between microtubule and nexin

is that microtubule is small tubes made of protein and found in cells; part of the cytoskeleton while nexin is (protein) a protein that constitutes a link between microtubules in cilia and flagella.

As nouns the difference between cilia and nexin

is that cilia is irregular while nexin is (protein) a protein that constitutes a link between microtubules in cilia and flagella.

As nouns the difference between flagella and nexin

is that flagella is while nexin is (protein) a protein that constitutes a link between microtubules in cilia and flagella.

As nouns the difference between absence and nonaction

is that absence is a state of being away or withdrawn from a place or from companionship; the period of being away while nonaction is the absence of action; failure to act.

As an adjective microscopic

is microscopic.

As a noun microspike is

a microscopic spike.

As a proper noun spike

is .

As a noun microspike is

a microscopic spike.

As an adjective microscopic

is of, or relating to microscopes or microscopy; microscopal.

As a noun microvolume is

a microscopic volume (normally used attributively.