List: word usually written using kana alone

noun  noun (generic)  usually written using kana alone  Christianity 

• execution by tying a victim to a post and stabbing with spears
• crucifixion

usually written using kana alone  noun or verb acting prenominally  adjective (generic) 

• so (e.g. so much, so close, so many, so few)

usually written using kana alone  noun  noun (generic)  noun or participle taking the aux. verb する  intransitive verb 

• pinky swear (i.e. linking little fingers to confirm a promise), pinky promise

usually written using kana alone  noun  noun (generic) 

• Laportea bulbifera (species of nettle-like plant)

usually written using kana alone  noun  noun (generic) 

• oedogonium (any of a genus of filamentous green algae)

rarely used kanji form  usually written using kana alone  noun  noun (generic) 

• chytrid (any simple, algaelike fungi of order Chytridiales)

search-only kana form  search-only kanji form  usually written using kana alone  expression  い adjective  adjective (generic) 

• good (place to leave off), convenient

usually written using kana alone  expression  い adjective  adjective (generic) 

• popular

usually written using kana alone  expression  い adjective  adjective (generic) 

• easy to get into (e.g. of music, etc.), easily getting into (a certain mood, etc.)

usually written using kana alone  noun  noun (generic) 

• great-grandfather