List: word usually written using kana alone

usually written using kana alone  adverb 

• on rare occasions, once in a blue moon

slang  abbreviation  usually written using kana alone  noun  noun (generic) 

• (wearing only) a pair of underpants

usually written using kana alone  い adjective  adjective (generic) 

• easily flowing (ink, make-up, etc.), easy spreading

usually written using kana alone  abbreviation  noun  noun (generic) 

• corrugated plastic, corriboard, corflute

usually written using kana alone  noun  noun (generic) 

• corrugated plastic, corriboard, corflute

usually written using kana alone  noun  noun (generic) 

• corrugated plastic, corriboard, corflute

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

• accursed, damned, blasted

irregular okurigana  usually written using kana alone  い adjective  adjective (generic) 

• stern, grave, austere, imposing, dignified, formidable, solemn, majestic
• strict (e.g. security), severe, firm, rigid, rigorous

usually written using kana alone  noun  noun (generic) 

• Chinese violet cress (Orychophragmus violaceus)

usually written using kana alone  noun  noun (generic) 

• Chinese violet cress (Orychophragmus violaceus)