The difference between Bogus and Illegal

When used as nouns, bogus means a liquor made of rum and molasses, whereas illegal means an illegal act or technique.

When used as adjectives, bogus means counterfeit or fake, whereas illegal means contrary to or forbidden by law, especially criminal law.

check bellow for the other definitions of Bogus and Illegal

Bogus as an adjective:

Counterfeit or fake; not genuine.

Examples:

"synonyms: phony"
Bogus as an adjective:

Undesirable or harmful.
Bogus as an adjective (computing, slang):

Incorrect, useless, or broken.
Bogus as an adjective (philately):

Of a totally fictitious issue printed for collectors, often issued on behalf of a non-existent territory or country (not to be confused with forgery, which is an illegitimate copy of a genuine stamp).

Examples:

"synonyms: illegal"
Bogus as an adjective:

Based on false or misleading information or unjustified assumptions.

Examples:

"bogus laws"

Illegal as an adjective:

Contrary to or forbidden by law, especially criminal law.

Examples:

"This is illegal, you know!"

"Nearly 40 million people live in UK areas with illegal air pollution"

"their illegal mining operations in Asia, Africa and elsewhere, are protected by officials and police paid to look the other way – and powerful customers in the construction industry who prefer not to ask too many questions."
Illegal as an adjective:

Forbidden by established rules.

Examples:

"Moving a pawn backward is an illegal move in chess."
Illegal as an adjective (philately, of an [[issue]] printed for collectors):

Totally fictitious, and often issued on behalf of a non-existent territory or country.
Illegal as an adjective (of a person, sometimes, _, offensive):

Being or doing something illegally.

Examples:

"'illegal immigrant; illegal logger; illegal pilot"
Illegal as an adjective (chiefly, US, sometimes, offensive):

Being an illegal immigrant; residing in a country illegally.

Illegal as a noun (obsolete):

An illegal act or technique.
Illegal as a noun (colloquial, plural, as '''''[[illegals]]'''''):

Contraband, esp. illegal substances such as drugs.
Illegal as a noun (colloquial, offensive):

An illegal immigrant.
Illegal as a noun (espionage):

A spy working abroad illegally and undercover, without visible ties to his or her country's authorities.