theoretically

is likely misspelled.

has no English definition.

As an adverb theoretically

is in theory; on paper.

Nononsense is likely misspelled.

Nononsense has no English definition.

As an adverb theoretically is

in theory; on paper.

As an adverb theoretically

is in theory; on paper.

As an adjective concrete is

particular, perceivable, real.

As a noun concrete is

a building material created by mixing cement, water, and aggregate including gravel and sand.

As a verb concrete is

to cover with or encase in concrete; often constructed as concrete over.

As adverbs the difference between theoretically and hypothetically

is that theoretically is in theory; on paper while hypothetically is in a hypothetical way; as a hypothesis.

As adverbs the difference between theoretically and technically

is that theoretically is in theory; on paper while technically is based on precise facts.

As adverbs the difference between heretically and theoretically

is that heretically is in a heretical way, or to a heretical extent while theoretically is in theory; on paper.

As adverbs the difference between theoretically and theorically

is that theoretically is in theory; on paper while theorically is theoretically.