One for the Trekkies

All words relate to the concept of 'One for the Trekkies'

Think about what these words have in common

Look for the Spangram - it often reveals the theme

Theme words range from 5 to 10 letters long

Each theme word starts with a different letter

The Spangram might be a compound or phrase (9 letters total)

One word: D______ (9 letters, starts with 'D')

Another word: E______ (10 letters)

Also look for: I______ (8 letters)