Introduction and Planation

Introduction noun - A short section (as of a book) that leads to or explains the main part.

Planation and introduction are semantically related. In some cases you can replace term "Planation" with "Introduction", this nouns are similar.

Nearby Words: introduce, introductory, introducing

Planation noun - The process of erosion whereby a level surface is produced.

Introduction and planation are semantically related. You can use "Introduction" instead a noun "Planation".