List: word usually written using kana alone

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

• flounder (esp. the large-tooth flounders of family Paralichthyidae, but also lefteye flounders of family Bothidae)
• bastard halibut, olive flounder (Paralichthys olivaceus)
• person who sucks up to superiors, toady

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

• dandruff

rarely used kanji form  search-only kanji form  usually written using kana alone  noun  noun (generic)  noun taking the genitive case particle の  adjective (generic)  manga slang 

• hermaphrodite, androgyny, hermaphroditism
• hermaphroditic female characters

ateji  usually written using kana alone  Ichidan verb  verb (generic)  intransitive verb 

• to become sulky, to become irresponsible (due to disgruntlement)

JLPT N1  usually written using kana alone  godan verb  godan verb (archaic)  verb (generic)  intransitive verb 

• to deprecate oneself and praise the listener, to abase oneself

usually written using kana alone  noun  noun (generic)  Kansai-ben 

• beautiful woman, pretty girl
• high-quality goods, special article

rarely used kanji form  usually written using kana alone  adverb 

• once again, yet again, (there you go) again

popular  rarely used kanji form  JLPT N1  usually written using kana alone  noun taking the genitive case particle の  adjective (generic)  な adjective  noun  noun (generic) 

• various, diverse, different, divergent, divided, conflicting

usually written using kana alone  expression 

• (not) by any means, (not) for anything, wouldn't do for anything, had enough, flatly refusing

rarely used kanji form  usually written using kana alone  adverb 

• equally, thoroughly, all over, uniformly, without exception, all around