Hard Word Grouping Puzzle with Wordplay

On this board, some words form a phrase only when you add a word before or after them. Try both directions when a category stalls.

Find four sets of four. Each word belongs to one intended group.

Show a hint

Try putting “bird” after four entries. Then try putting a color before four others.

Show answers and explanations
  • Words before “bird”

    BLACK, BLUE, SONG, JAIL

    These form blackbird, bluebird, songbird and jailbird.

  • Words after “green”

    HOUSE, ROOM, BEAN, LIGHT

    These form greenhouse, green room, green bean and green light.

  • Ways to fasten something

    TIE, CLIP, PIN, STAPLE

    Each word can be a verb for holding something in place.

  • Parts of a book

    SPINE, COVER, INDEX, PREFACE

    The spine and cover are physical parts. The index and preface are sections of text.