List: word usually written using kana alone

usually written using kana alone  noun  noun (generic) 

• eelgrass (Zostera marina)

usually written using kana alone  noun  noun (generic) 

• Orthetrum albistylum speciosum (subspecies of white-tailed skimmer)

irregular okurigana  usually written using kana alone  noun  noun (generic) 

• character, disposition, spirit, temperament

usually written using kana alone  noun  noun (generic) 

• primrose
• Siebold's primrose (Primula sieboldii), cherry blossom primrose, Japanese woodland primrose

usually written using kana alone  noun  noun (generic) 

• Gleichenia japonica (species of fern with white-backed leaves)
• white underside, white bottom, white inner

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

• calabash (Lagenaria siceraria), bottle gourd
• gourd (container), calabash

usually written using kana alone  noun  noun (generic) 

• Chinese yam (Dioscorea batatas)

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

• fin whale, finback (whale), razorback whale (Balaenoptera physalus)

usually written using kana alone  noun  noun (generic) 

• Sulculus diversicolor supertexta (species of abalone or ear shell)

usually written using kana alone  adverb 

• with all due respect ..., I venture to say ..., Excuse me, but ...