List: word usually written using kana alone

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

• gray whale (Eschrichtius robustus), grey whale

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

• whale shark (Rhincodon typus)

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

• whale shark (Rhincodon typus)

search-only kanji form  usually written using kana alone  pre-noun adjectival  adjective (generic) 

• a certain ...

usually written using kana alone  expression 

• emergency, accident, rare possibility, unexpected occurrence

usually written using kana alone  expression 

• all take and no give, rip-off

usually written using kana alone  expression 

• all take and no give, rip-off

archaic  usually written using kana alone  expression 

• needn't be done, as well not to do, shouldn't have been done

rarely used kanji form  usually written using kana alone  auxiliary  conjunction 

• in order to, for the purpose of
• must, should

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

• show (blood-stained mucus discharge that happens towards the end of pregnancy), bloody show
• signature mark (crest) used by members of the imperial family to mark their belongings
• mark, sign