List: adjectival nouns or quasi-adjectives (keiyodoshi)

な adjective  adjective (generic) 

• aggressive

noun  noun (generic)  な adjective  adjective (generic) 

• mentality, mood, sentiment, feelings
• fretfulness, tedium, irritation

な adjective  adjective (generic) 

• mental, psychological, physical

な adjective  adjective (generic) 

• psychological

irregular kanji usage  な adjective  adjective (generic)  noun taking the genitive case particle の  noun  noun (generic) 

• solemn

noun  noun (generic)  な adjective  adjective (generic) 

• depths (of an art, one's mind, etc.), heart, inner mysteries
• profound, deep, esoteric, abstruse

search-only kanji form  な adjective  adjective (generic)  noun  noun (generic) 

• completely honest, downright honest, straightforward, perfectly upright

な adjective  adjective (generic) 

• perfectly level

な adjective  adjective (generic)  noun  noun (generic) 

• headlong, head over heels

な adjective  adjective (generic)  noun  noun (generic) 

• earnest, singlehanded, face to face, straight ahead, just in front of