List: word usually written using kana alone

usually written using kana alone  noun  noun (generic) 

• taro (Colocasia esculenta), cocoyam, dasheen

usually written using kana alone  food, cooking  noun  noun (generic) 

• chop suey

gairaigo  Chinese origin  usually written using kana alone  noun  noun (generic) 

• bok choy (Brassica rapa subsp. chinensis; esp. cultivars with green stalks), pak choi

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

• decimetre, decimeter

usually written using kana alone  noun  noun (generic) 

• Palaeoloxodon naumanni (extinct species of elephant)

usually written using kana alone  expression 

• thereabouts, vicinity, that area
• that situation, those circumstances

usually written using kana alone  noun  noun (generic) 

• door frame, window frame, frame sections of the door or window that provide most of its structural integrity

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

• serow, wild goat

usually written using kana alone  い adjective  adjective (generic) 

• sweet-smelling, scentful, fragrant

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

• invisible, unseen
• vague, mysterious
• imaginary