List: word usually written using kana alone

usually written using kana alone  expression 

• all over (the place), throughout, everywhere, every inch, every part, from head to toe, from start to end

usually written using kana alone  expression 

• should do, ought to do, must do

usually written using kana alone  noun  noun (generic) 

• gashadokuro (mythical giant skeleton monster)

usually written using kana alone  Japanese mythology  noun  noun (generic) 

• ōnamazu (giant catfish thought to cause earthquakes)

usually written using kana alone  noun  noun (generic) 

• spiny oyster (Saccostrea kegaki)

usually written using kana alone  expression  Ichidan verb  verb (generic) 

• to cover with plastic wrap (e.g. food)

derogatory  usually written using kana alone  noun  noun (generic)  Kantou-ben 

• big forehead, fivehead, asshole

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

• inconsequential, indifferent, not worth worrying about, trivial
• whatever, whichever, I don't care

usually written using kana alone  adverb 

• why, how

usually written using kana alone  noun  noun (generic) 

• (electric) kotatsu table