There is no difference both words mean the same thing.

Shaun Narine has written:

'Humanitarian intervention and the question of sovereignty' -- subject(s): ASEAN, Humanitarian intervention, Sovereignty

"Humanitarian intervention" - same as always.

From Caliban to Taliban 500 Years of Humanitarian Intervention - 2007 V is rated/received certificates of:

UK:15

T. V. Bordachev has written:

'\\' -- subject(s): Humanitarian intervention, Intervention (International law)