As nouns the difference between bunky and junky
is that bunky is Term of familiar addressjunky is an alternative spelling of lang=en.
As an adjective junky is
resembling or characteristic of junk; cheap, worthless, or of low quality.
bunky
English
Noun
(Term of familiar address)
*
junky
English
Adjective
(er)
Resembling or characteristic of junk; cheap, worthless, or of low quality.
Noun
(junkies)
(slang, pejorative)