'accountable on' is not correct or usable in written English.
You could use the phrase 'accountable for' instead. Example sentence: I am accountable for the success of the project.
No one ever showed real, sustained interest in holding Trump accountable on infrastructure, so it was easy for him to walk away.
Democrats must hold Trump accountable on Saudi Arabia.
Greg Sargent: Democrats must hold Trump accountable on Saudi Arabia.
Carmelo Anthony has repeatedly praised Chandler for holding him accountable on the defensive end.
Humankind must become accountable on a massive scale for the wanton destruction of our collective home.
"You want the ECB independent of political pressure but to be accountable on banking supervision.
Man-to-man defense is the red meat of college basketball, with players held accountable on every possession.
Who, if legal aid is cut, is going to hold government accountable on behalf of the poor and the vulnerable?
And it should make students accountable on the Web, where they should regularly be aiming, from grade-school on, to contribute to a wide range of wiki projects.
It also hosts sessions during which its members can grill their adult counterparts and hold them accountable on a range of issues.
Essentially the court ruled that a website cannot be held accountable on what it publishes based on information provided by third parties.
