Find the missing links

All words relate to the concept of 'Find the missing links'

Think about what these words have in common

Look for the Spangram - it often reveals the theme

Theme words range from 6 to 10 letters long

Each theme word starts with a different letter

The Spangram might be a compound or phrase (8 letters total)

One word: A______ (9 letters, starts with 'A')

Another word: C______ (7 letters)

Also look for: K______ (8 letters)