List: word usually written using kana alone

usually written using kana alone  noun  noun (generic) 

• jabiru (Jabiru mycteria)

usually written using kana alone  noun  noun (generic) 

• UNESCO, United Nations Educational, Scientific and Cultural Organization

usually written using kana alone  noun  noun (generic) 

• finepatterned puffer (Takifugu poecilonotus)

usually written using kana alone  noun  noun (generic) 

• panther puffer (Takifugu pardalis)

usually written using kana alone  noun  noun (generic) 

• beginning, outset, start
• bowsprit

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

• habu jellyfish (Chironex yamaguchii), habu-kurage

usually written using kana alone  noun  noun (generic) 

• flower urchin (Toxopneustes pileolus)

usually written using kana alone  noun  noun (generic) 

• collector urchin (Tripneustes gratilla)

usually written using kana alone  noun  noun (generic) 

• floral egg crab (Atergatis floridus), shawl crab, brown egg crab

usually written using kana alone  noun  noun (generic) 

• sand sifting starfish (Astropecten polyacanthus), comb star