List: 五十音

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

• domestic duck

Wordpopular  JLPT N5  noun  noun (generic)  derogatory  usually written using kana alone  noun (prefix) 

• dog (Canis (lupus) familiaris)
• squealer, rat, snitch, informer, informant, spy
• loser, asshole
• counterfeit, inferior, useless, wasteful

Wordpopular  JLPT N3  noun  noun (generic)  food, cooking  astronomy 

• cattle (Bos taurus), cow, bull, ox, calf
• beef
• Chinese "Ox" constellation (one of the 28 mansions)

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

• prawn, shrimp, lobster

Wordusually written using kana alone  noun  noun (generic) 

• (large) parrot (incl. the cockatoo)