List: word usually written using kana alone

colloquial  usually written using kana alone  noun  noun (generic) 

• case, occasion, situation, circumstances

obsolete reading  usually written using kana alone  noun (suffix)  noun (generic) 

• covered with, stained, smeared

usually written using kana alone  な adjective  adjective (generic) 

• frequent, continual, constant, repeated
• great, intense, strong, severe, extreme

usually written using kana alone  い adjective  adjective (generic) 

• untiring, steady, persistent

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

• ready (to do), willing

rarely used kanji form  usually written using kana alone  い adjective  adjective (generic)  colloquial  slang 

• harsh (taste, feeling, etc.), acrid, pungent, astringent
• sharp (language, question, etc.), biting, harsh
• nasty, gross, disgusting, brutal
• awesome, amazing, incredible, cool

usually written using kana alone  expression 

• all over, all over the place, everywhere

rarely used kanji form  formal or literary term  usually written using kana alone  expression 

• cannot, must not

search-only kanji form  usually written using kana alone  expression 

• better than nothing, better than none at all

gairaigo  Chinese origin  usually written using kana alone  mahjong  noun  noun (generic)  noun or participle taking the aux. verb する 

• tenpai, fishing (i.e. needing one more tile for completion)