List: word usually written using kana alone

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

• to mount up, to pile up, to accumulate, to increase

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

• to be bulky, to be unwieldy, to grow voluminous

gikun or jukujikun  rarely used kanji form  usually written using kana alone  formal or literary term  noun taking the genitive case particle の  adjective (generic)  adverb  noun  noun (generic) 

• many, a lot of, a great number of, numerous

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

• common poppy (Papaver rhoeas), corn poppy, field poppy, red poppy

rarely used kanji form  usually written using kana alone  adverb 

• extremely, very much

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

• freckle, lentigo, ephelis
• buckwheat chaff

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

• hornet, yellow jacket, wasp (of subfamily Vespinae)
• Asian giant hornet (Vespa mandarinia), yak-killer hornet

rarely used kanji form  search-only kanji form  JLPT N1  usually written using kana alone  adverb 

• as (much) as possible, as (much) as one can, wherever practicable, if possible

popular  search-only kanji form  JLPT N4  usually written using kana alone  interjection  adverb 

• I see, that's right, indeed

JLPT N1  usually written using kana alone  adverb 

• certainly, surely, undoubtedly, evidently, really, truly
• just, precisely, exactly