quack

As a noun quack

is the sound made by a duck or quack can be a fraudulent healer or incompetent professional, especially a doctor of medicine; an impostor who claims to have qualifications to practice medicine.

As a verb quack

is to make a noise like a duck or quack can be to practice or commit quackery.

As an adjective quack

is falsely presented as having medicinal powers.

As a proper noun sham is

syria.

As nouns the difference between quack and nonsense

is that quack is the sound made by a duck or quack can be a fraudulent healer or incompetent professional, especially a doctor of medicine; an impostor who claims to have qualifications to practice medicine while nonsense is letters or words, in writing or speech, that have no meaning or seem to have no meaning.

As verbs the difference between quack and nonsense

is that quack is to make a noise like a duck or quack can be to practice or commit quackery while nonsense is to make nonsense of.

As adjectives the difference between quack and nonsense

is that quack is falsely presented as having medicinal powers while nonsense is resulting from the substitution of a nucleotide in a sense codon, causing it to become a stop codon (not coding for an amino-acid).

As adjectives the difference between quack and quacklike

is that quack is falsely presented as having medicinal powers while quacklike is resembling or characteristic of a quack (fraudulent doctor).

As a noun quack

is the sound made by a duck or quack can be a fraudulent healer or incompetent professional, especially a doctor of medicine; an impostor who claims to have qualifications to practice medicine.

As a verb quack

is to make a noise like a duck or quack can be to practice or commit quackery.

As adjectives the difference between quack and quackish

is that quack is falsely presented as having medicinal powers while quackish is like a quack (fraudulent doctor), or characteristic of quackery.

As a noun quack

is the sound made by a duck or quack can be a fraudulent healer or incompetent professional, especially a doctor of medicine; an impostor who claims to have qualifications to practice medicine.

As a verb quack

is to make a noise like a duck or quack can be to practice or commit quackery.

As a noun quack

is the sound made by a duck.

As a verb quack

is to make a noise like a duck.

As an adjective quack

is falsely presented as having medicinal powers.

As an adverb quackingly is

in a quacking manner; with quacking sounds.

As nouns the difference between quack and quackism

is that quack is the sound made by a duck while quackism is behaviour of a quack; quackery.

As a verb quack

is to make a noise like a duck.

As an adjective quack

is falsely presented as having medicinal powers.