Propaedeutic
Part of speech: noun
Definition: such a course of instruction
Part of speech: adjective
Definition: providing preparatory or introductory teaching
Propaedeutics
Part of speech: noun
Definition: An introductory course of instruction.
Propaedeutic as a noun is such a course of instruction while Propaedeutics as a noun is an introductory course of instruction.
Part of speech: noun
Definition: such a course of instruction
Part of speech: adjective
Definition: providing preparatory or introductory teaching
Part of speech: noun
Definition: An introductory course of instruction.
We hope you now know whether to use Propaedeutic or Propaedeutics in your sentence.