fraudulent

As adjectives the difference between fraudulent and sham

is that fraudulent is dishonest; based on fraud or deception while sham is intended to deceive; false.

As a noun sham is

a fake; an imitation that purports to be genuine.

As a verb sham is

to deceive, cheat, lie.

As an adjective fraudulent is

dishonest; based on fraud or deception.

Fraudulent is a synonym of guileful.

As adjectives the difference between fraudulent and guileful

is that fraudulent is dishonest; based on fraud or deception while guileful is full of guile; treacherously deceptive.

As adjectives the difference between fraudulent and spurious

is that fraudulent is dishonest; based on fraud or deception while spurious is false, not authentic, not genuine.

As an adjective fraudulent

is dishonest; based on fraud or deception.

As a noun certificate is

a document containing a certified statement.

As a verb certificate is

to supply with a certificate, especially following certification.

As adjectives the difference between obfuscatory and fraudulent

is that obfuscatory is tending to obfuscate; intended to conceal the truth by confusion while fraudulent is dishonest; based on fraud or deception.

As adjectives the difference between fallacious and fraudulent

is that fallacious is characterized by fallacy; false or mistaken while fraudulent is dishonest; based on fraud or deception.

As an adjective fraudulent is

dishonest; based on fraud or deception.

As adjectives the difference between specious and fraudulent

is that specious is seemingly well-reasoned, plausible or true, but actually fallacious while fraudulent is dishonest; based on fraud or deception.