As adjectives the difference between optimistic and sunshiney

is that optimistic is expecting the best in all possible ways while sunshiney is sunny; characterised by sunshine.

As nouns the difference between craziness and loopiness

is that craziness is (uncountable) the state of being broken in mind; imbecility or weakness of intellect; derangement while loopiness is the state or condition of being loopy; craziness.

As adjectives the difference between heavenly and nirvanic

is that heavenly is of or pertaining to the heaven believed in by many religions; good, beautiful, glorious, pleasurable while nirvanic is pertaining to nirvana; heavenly.

As an adverb heavenly

is in a manner like that of heaven; by the influence or agency of heaven; divinely, miraculously.

As an adjective parochial

is pertaining to a parish.

As a noun parochiality is

(uncountable) the state or condition of being parochial.

As nouns the difference between locality and parochiality

is that locality is the fact or quality of having a position in space while parochiality is (uncountable) the state or condition of being parochial.

As an adjective prodigious

is very big in size or quantity; gigantic; colossal; huge.

As a noun prodigiousness is

the state or condition of being prodigious.

Excess is a synonym of prodigiousness.

As nouns the difference between excess and prodigiousness

is that excess is the state of surpassing or going beyond limits; the being of a measure beyond sufficiency, necessity, or duty; that which exceeds what is usual or proper; immoderateness; superfluity; superabundance; extravagance; as, an excess of provisions or of light while prodigiousness is the state or condition of being prodigious.

As an adjective excess

is more than is normal, necessary or specified.

Enormity is a synonym of prodigiousness.

As nouns the difference between enormity and prodigiousness

is that enormity is (uncountable) extreme wickedness, nefariousness while prodigiousness is the state or condition of being prodigious.

Prodigiousness is a synonym of hugeness.

As nouns the difference between hugeness and prodigiousness

is that hugeness is the quality of being huge; immensity or enormity while prodigiousness is the state or condition of being prodigious.

As a noun catarrh

is (pathology) inflammation of the mucous membranes of the nose and throat.

As an adjective catarrhy is

characterised by catarrh; mucous.