List: noun (generic)

popular  noun  noun (generic) 

• machinery and materials, equipment
• materials for manufacturing machinery

popular  noun  noun (generic) 

• secrecy, highly classified information

popular  noun  noun (generic) 

• horseman, rider, jockey

popular  noun  noun (generic) 

• technique

popular  noun  noun (generic) 

• doubt, suspicion, misgivings, scruples

popular  noun  noun (generic)  noun taking the genitive case particle の  adjective (generic) 

• lifesaving

popular  noun  noun (generic) 

• substance, essence, entity, subject, content, reality, true form

popular  noun  noun (generic) 

• range (of a rifle, missile, etc.)

popular  noun  noun (generic) 

• weak person, the weak, vulnerable person, disadvantaged person

popular  noun  noun (generic)  mathematics 

• main spindle, main shaft
• linchpin, pivot
• principal axis, main axis