List: word usually written using kana alone

usually written using kana alone  noun  noun (generic) 

• extortion, blackmail, shakedown
• extortionist, blackmailer, racketeer

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

• faltering, tottering, halting, unsteady, awkward, clumsy

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

• bitterling (any fish of subfamily Acheilognathinae, esp. species Acheilognathus melanogaster)

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

• bump (e.g. on forehead), lump, protuberance, swelling

usually written using kana alone  conjunction 

• while it may be true that, just because, nevertheless, not necessarily

rarely used kanji form  usually written using kana alone  expression  conjunction 

• as one would expect from ..., given that ... (naturally ...), because ..., being ...
• precisely because ..., all the more because of ...
• on account of ..., ... being what it is
• only to, only for, only in

usually written using kana alone  noun  noun (generic) 

• goby (fish)

usually written using kana alone  martial arts  noun  noun (generic) 

• weight-chain-pole weapon, flail

rarely used kanji form  usually written using kana alone  adverb 

• a little bit
• a little while

popular  rarely used kanji form  JLPT N4  usually written using kana alone  adverb 

• (not) at all, (not) a bit, (not) in the least, (not) in the slightest