Hornbooks and Hornbook

Hornbook and hornbooks are semantically related. in textbook topic. In some cases you can use "Hornbook" instead a noun "Hornbooks", when it comes to topics like something new.

Hornbook noun - A primer that provides instruction in the rudiments or basic skills of a branch of knowledge.

Hornbooks and hornbook are semantically related. Sometimes you can replace term "Hornbooks" with "Hornbook", this nouns are similar.