List: colloquial

usually written using kana alone  colloquial  noun  noun (generic) 

• crayfish (esp. red swamp crayfish, Procambarus clarkii)

colloquial  expression  Ichidan verb  verb (generic) 

• to be to the point, to be pertinent

colloquial  い adjective  adjective (generic) 

• slow, dim

colloquial  expression  い adjective  adjective (generic) 

• bright, intelligent

expression  colloquial 

• not sleeping a wink, wide awake all night
• without moving

idiomatic expression  colloquial  expression 

• like water off a duck's back, urine on a frog's face

search-only kana form  male term  colloquial  interjection 

• hey, yo, hi
• yessir, understood

colloquial  expression 

• matter being discussed (e.g. in a private conversation), it's not your business, it doesn't matter (to you), it's a private matter
• our side of the story (in contrast to another's version)

colloquial  noun  noun (generic) 

• sanshin, Okinawan traditional three-stringed instrument; precursor to the shamisen

usually written using kana alone  colloquial  noun  noun (generic) 

• Cellana toreuma (species of limpet)