The ARG conditions are Acceptability, Relevance, and Guidance. The ARG conditions are Acceptability, Relevance, and Grounds. The same premise can be used to support more than one conclusion. One premise can be used in many different arguments. Also, one premise for a subargument can be said to support both the intermediate conclusion and the ultimate conclusion of that argument.
Cogent arguments are always sound.
A cogent argument that is inductively strong will not be sound because it will not be deductively valid. Inductive arguments are always based on experience. Inductive arguments rely on many observations of particular cases. Each observation is an experience. Thus, are always based on experiences, even if those observations are not all made by the arguer.