List: word usually written using kana alone

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

• grass snake (Natrix natrix), ringed snake, water snake

usually written using kana alone  noun  noun (generic) 

• Viola eizanensis (flower in the violet family)

usually written using kana alone  noun  noun (generic) 

• Viola eizanensis (flower in the violet family)

usually written using kana alone  expression  adverb 

• both, together, jointly, simultaneously

search-only kanji form  usually written using kana alone  expression  Ichidan verb  verb (generic) 

• to dust (shelves, etc.), to use a duster

usually written using kana alone  noun  noun (generic)  noun taking the genitive case particle の  adjective (generic) 

• disenchantment, apathy, spoiled fun, turn-off

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

• mother tongue (from the island where one was raised)
• Okinawan neologism (developed by the language revival movement)

usually written using kana alone  expression 

• thankfully, fortunately, luckily, mercifully

rarely used kanji form  usually written using kana alone  colloquial  adverb  noun or participle taking the aux. verb する  verb (generic)  noun (generic) 

• becoming irritated (suddenly), getting annoyed

usually written using kana alone  expression 

• on the occasion of, at the time of