নিচের অপশন গুলা দেখুন
- Obligation
 - Obligate
 - Obligatory
 - Obligato
 
Obligatory (ADJECTIVE): Required by a legal, moral, or other rule; compulsory.
Obligate (VERB): require or compel (someone) to undertake a legal or moral duty.
Obligate (ADJECTIVE): restricted to a particular function or mode of life.
So, Obligate can be used as a verb or an adjective but obligatory can be used only as an adjective.