That is my experience asking monks at Daoist temples to explain the difference. The standard first response is that there is none. If pushed to make some explanation I usually got:   Daojiao - teachings of the Way Daojia - followers [family] of the Way   To make a distinction seems a more academic effort to take snapshots of time and see the 'process of its evolution' but in the process it misses the 'cumulative and integrative' nature. I think Robinet said it well.   One can always catch this mistake when someone is trying to claim philosophical daoism precedes the religious and then doesn't consider what preceded all that.
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