List: word usually written using kana alone

usually written using kana alone  noun  noun (generic) 

• thrush fungus (Candida albicans)

usually written using kana alone  noun  noun (generic) 

• smut fungus (Microbotryum violaceum)

usually written using kana alone  noun  noun (generic) 

• ergot fungus (Claviceps purpurea)

usually written using kana alone  noun  noun (generic) 

• Ficus pumila var. awkeotsang (variety of climbing fig)

usually written using kana alone  noun  noun (generic)  noun or participle taking the aux. verb する 

• combining the working parts of two or more broken machines to make one functioning machine
• manufacturing one part out of multiple different parts

usually written using kana alone  expression  pre-noun adjectival  adjective (generic) 

• unmistakable, unquestionable, certain, evident

usually written using kana alone  slang  noun  noun (generic) 

• terrible (video) game, crappy game, rubbish game

usually written using kana alone  noun  noun (generic) 

• water pepper (Persicaria hydropiper)

usually written using kana alone  noun  noun (generic) 

• dyer's knotweed (Persicaria tinctoria, used to produce indigo dye)

usually written using kana alone  noun  noun (generic) 

• green-cracking russula (Russula virescens), quilted green russula, green brittlegill