List: word usually written using kana alone

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

• kung fu

usually written using kana alone  noun  noun (generic) 

• stag beetle

usually written using kana alone  rare term  な adjective  adjective (generic) 

• unconcerned (about), unbothered, unworried, nonchalant, not caring, not minding
• easy, simple

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

• grilled offal (esp. beef or pork)

ateji  usually written using kana alone  noun  noun (generic) 

• great and splendid land (of Yamato)
• spiritual center of the land, one's spiritual home
• excellent location, splendid place

rarely used kanji form  usually written using kana alone  male term  pronoun 

• I, me

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

• unable to stay (on), unable to endure being somewhere a second longer, feel like running away

search-only kana form  rarely used kanji form  JLPT N4  usually written using kana alone  expression  adverb 

• soon, shortly, before long, nearly, almost

obsolete kanji  usually written using kana alone  noun  noun (generic) 

• struggling, pawing (e.g. horses' hooves)

usually written using kana alone  noun  noun (generic)  slang 

• anpan, bread roll filled with red bean paste
• paint thinner (as an inhalant)