List: noun or participle which takes the aux. verb suru

noun  noun (generic)  noun or participle taking the aux. verb する  intransitive verb 

• secret communication (with the enemy), collusion, betrayal
• adultery, (extramarital) affair

noun  noun (generic)  noun or participle taking the aux. verb する  transitive verb 

• partial delivery, partial payment

noun  noun (generic)  noun or participle taking the aux. verb する  transitive verb 

• internal use

noun  noun (generic)  noun or participle taking the aux. verb する 

• part payment

noun  noun (generic)  noun or participle taking the aux. verb する 

• secret, confidential

noun  noun (generic)  noun or participle taking the aux. verb する  transitive verb 

• tip-off, secret information

noun  noun (generic)  noun or participle taking the aux. verb する  transitive verb 

• private or secret orders

noun  noun (generic)  noun or participle taking the aux. verb する  transitive verb 

• (marriage) engagement, secret treaty, tacit understanding, private contract

noun  noun (generic)  noun or participle taking the aux. verb する  noun taking the genitive case particle の  adjective (generic) 

• internal use, private business

noun  noun (generic)  noun or participle taking the aux. verb する  transitive verb 

• preview (of an exhibition), private viewing, preliminary inspection