Learn how to say Quackeries correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word quack:
a person who dishonestly claims to have special knowledge and skill in some field, typically medicine:
a quack doctor
British informal a doctor:
he went to see the quack this morning
mid 17th century: abbreviation of earlier quacksalver, from Dutch, probably from obsolete quacken ‘prattle’ + salf, zalf (see salve1)