Forgit vs Fergit - What's the difference?

In eye dialect of|forget|lang=en terms the difference between forgit and fergit

is that forgit is while fergit is .

is that forgit is while fergit is .

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* {{quote-book, year=1858, author=Various, title=The Atlantic Monthly, Volume 2, Number 9, July, 1858, chapter=, edition= citation

, passage=D-don't forgit your old sooty friend. }}

* {{quote-book, year=1909, author=Edward Stratemeyer, title=The Rover Boys on Treasure Isle, chapter=, edition= citation

, passage="We are going to run them machines an' don't you forgit it," mumbled Hellig, and lurched forward. }}

* {{quote-book, year=1921, author=B. M. Bower, title=Cow-Country, chapter=, edition= citation

, passage=You shook on it, don't forgit that, young feller." }}

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* {{quote-book, year=1895, author=James Whitcomb Riley, title=Pipes O'Pan at Zekesbury, chapter=, edition= citation

, passage=I never seed sich a' out-an'-out onry-lookin' chap, and I'll never fergit the first time I set eyes on him. }}

* {{quote-book, year=1907, author=George Barr McCutcheon, title=The Daughter of Anderson Crow, chapter=, edition= citation

, passage=Doggone it, I'll never fergit that feller who got my pockit-book out to Central Park that time. }}

* {{quote-book, year=1908, author=R. Henry Mainer, title=Nancy McVeigh of the Monk Road, chapter=, edition= citation

, passage=I could not fergit the sting of the words he had spoken to me. }}