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

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

• digging deeply (below the surface), mining deep
• probing deeply (issue, problem), investigating thoroughly
• deepening relations

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

• mourning, grieving

slang  jocular, humorous term  noun  noun (generic)  noun or participle taking the aux. verb する 

• looking bad (of a photo)

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

• long-term stay

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

• short-term stay

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

• calling someone directly (by telephone)
• phone number

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

• follow-back (on social media), following the account of someone who follows you

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

• reporting as spam and blocking a social network account

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

• follow-back (on social media), following the account of someone who follows you

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

• following someone (on social media) without writing a message to introduce oneself