Disgust vs Discussed in pronunciation

[EngFan]

In pronunciation, what is the difference between "disgust" and "discussed"?

 

[billmcd]

None. Difference would be understood in context.

 

[Chicken Sandwich]

I hear a very subtle difference. For me the difference is "dis-cussed" and "dis-gussed". Other people also seem to notice a difference:

Pronunciation difference between "disgust" and "discussed"!?
Pronunciation difference between "discussed" & "disgust"!? - Yahoo! UK & Ireland Answers