Collocations for accountable - adj.

be
become
make sb
hold sb
The directors are held accountable by the shareholders.

fully, properly
personally
directly
Senior managers are directly accountable to the Board of Directors.

ultimately
Someone has to be held ultimately accountable for the accident.

publicly
Local authorities should be publicly accountable to the communities they serve.

democratically
democratically accountable leaders

financially, legally, politically

for
In the end, we are all accountable for our actions.

to
The real power lies with a bureaucracy that is not accountable to the public.
Politicians are accountable to their constituents.

Accountable is used with these nouns:
leader