List: word usually written using kana alone

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

• desirable, ideal

search-only kanji form  usually written using kana alone  noun  noun (generic) 

• silly person, dumb-bunny, dope

abbreviation  slang  usually written using kana alone  expression 

• it's been a long time, long time no see

usually written using kana alone  colloquial  adverb 

• nonchalantly, unconcernedly, casually

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

• riding double (on a bicycle, motorcycle, etc.)
• sharing a seat, sharing a chair

usually written using kana alone  noun  noun (generic) 

• cares, bad feeling, ill feeling, discontent, reserve

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

• without preparation, off the cuff, abrupt, without warning
• unreserved, without restraint, frank, blunt, direct
• beginning, start, outset

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

• cutting (vegetables) into long, thin shavings, shaving into slivers, shavings

usually written using kana alone  い adjective  adjective (generic) 

• unusual, serious
• incomparable

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

• it's probably so, it stands to reason