Why does English have both un- and in- as negative prefixes?

Why does English have both un- and in- for negation?Unhappy, unknown, incorrect, invisible... Since they all express "not," ...
TES

Prefixes: un–, the prefixes dis– and mis– / KS2 spelling task worksheet for Year 5 or Year 6

1. Write the correct prefix before each word ending. Which word is the odd one out? 2. Use a dictionary to find as many un-, dis- and mis- words as you can. Add the words you have found to the mind ...
TES

SPaG Year 1 Spelling pack: Adding the prefix un

pptx, 255.03 KB pdf, 9.81 KB pdf, 22.95 KB pdf, 21.46 KB A set of resources to teach the guideline/rule in the Spelling Appendix: The prefix un– is added to the beginning of a word without any change ...
Mental Floss

What’s the Difference Between In- and Un-?

English has two different prefixes that make a word into its opposite. OK, yes, there are more than two (dis-, a-, anti-, de-, etc.), but in- and un- are the most common. They bring the sense of “not” ...
Dawn

LANGUAGE ARTS: Using prefixes

The English language has a rich storehouse of words accumulated through different innovative methods. Adding prefixes to words, already in use, is one such method. A prefix is a type of affix attached ...
VOA Learning English

TALK2US: Prefixes Un- and In-

Caty Weaver joins Ashley and Dr. Jill to teach the use of two prefixes: un- and in-, with students from Morrocco, Uruguay, Turkey, Afghanistan, Ethiopia and Egypt.