26 across Cry audibly, not finishing thick, leafy soup (8)
C*L**L*O
The solution has to be CALLALOO but the wordplay leads to CALLALOU, which not only doesn't exist but the "U" wouldn't fit with an "O" in ISABGOL at 20 down.
4 down Duke outdated as he used to go by every time (4)
N*I* I think the solution is NEIF as in "fist" but can't parse it.