List: word usually written using kana alone

usually written using kana alone  noun  noun (generic) 

• neigh, whinny, bray

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

• awfully, terribly

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

• undulation, winding, meandering
• swell (of waves), ground swell, surge, billow, roller

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

• to be flustered, to lose one's presence of mind

JLPT N1  usually written using kana alone  noun  noun (generic) 

• ray (any fish of superorder Batoidea)

usually written using kana alone  noun  noun (generic) 

• Japanese grenadier anchovy (Coilia nasus)

search-only kanji form  JLPT N4  honorific language  usually written using kana alone  expression  godan verb  godan verb (archaic)  verb (generic) 

• to be
• to come
• to go

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

• appalling, horrifying, dreadful, hideous, revolting, disgusting

popular  rarely used kanji form  usually written using kana alone  food, cooking  noun  noun (generic) 

• oden, dish of various ingredients, e.g. egg, daikon, potato, chikuwa, konnyaku stewed in soy-flavored dashi

polite language  noun  noun (generic)  usually written using kana alone  slang  archaic 

• pan, pot
• transgender man (female-to-male), butch lesbian, female transvestite
• maidservant, housemaid
• night work