Answer:A prefix is a group of letters placed before the root of a word. For example, the word “unhappy” consists of the prefix “un-” [which means “not”] combined with the root (or stem) word “happy”; the word “unhappy” means “not happy.” A suffix is a group of letters placed after the root of a word.
Explanation:
Answer: The answer is rules of grammar.
Explanation: The morphemes are minimum units of speech language are the words called prefixes and suffixes, which are related to the main word according to the rules of grammar.
I hope I have helped you, any question tell me. Good luck!