What is the difference between "terrorist financing" and "terrorism financing"?

Providing funds obtained from legitimate sources or criminal sources for any sort of terrorist activity can be described as Terrorist Financing.

Those activitives which provide any find of financial support to an individual terrorist or terrorist groups can be described as Terrorism Financing.

Terrorist financing is financing of specific terrorist/s where terrosim financing the financing of activities which terrorist intend to undergo.In both the cases it is very important to closely monitor customer/s profile/s,their source of income while taking him aboard.Moreover,movements in accounts is to be closely monitored.Frequent KYC breaches should ring an alarm.

Both refer to the same thing. Terrorist financing is process of financing a specific terrorist, while terrorism financing is the process of financing terrorism in general. However, both terms refer to the financing of terrorist activity in general.

Terrorism Financing is much broader in its Application where the financial system is used to transer both illegal and legal money to fund global terrorist activities that is done against a country or a community. Terrorist finanacing is limited to a more simpler arrangement which may focus on one act of terrorism within a country or supporting one oraganization however both would be similar as both would support acts of terrorism using legally or illegally earned money 

Terrorism is the collective act of violence aimed at terrorising people through intimidation, fear of initimidation, violence and fear of violence. Terrorism financing is the act of supporting the act of terrorism through mainly financial means, but can also include funded support, for example through assets (equipment, personnel, information).

Terrorist financing is the support provided to a single act of terrorism or a single actor in the terrorist field, to conduct a terror act.

Financing a terrorist is usually much cheaper, easier to conceal and likely to be a one-off act and more difficult to appear on the radar of intelligence agencies, at least at the onset.

Financing terrorism is much more complex, requires immense financial clout and is usually conducted by state actors, rather than individuals. It is much harder to conceal and its impact is felt much quicker and on a broader scale.

while terrorist financing focuses on funding a specific act of terror , the terrorism financing funds the individual or groups who indulge or planning to indulge in the act of terror.

Both are similar,