As adverbs the difference between heah and jeah
is that heah is eye dialect of here while jeah is variant of yeah; yes.
As an adjective heah
is eye dialect of here.
As an interjection jeah is
variant of yeah; yes.
heah
English
Adverb
(-)
Adjective
(-)
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jeah
English
Adverb
(-)
(slang, nonstandard) variant of yeah; yes.
Interjection
(-)
(slang, nonstandard) variant of yeah; yes.