[Ziggurats]

Instructions

Build the ziggurats by starting with the four-letter word at the top, adding the given letters and jumbling to get new words as you step down to the bottom.
Example:

Norse code? [ ] [ ] [ ] [ ]
Unconscious (+[D]) [ ] [ ] [ ] [ ] [ ]
Cash back (+[F]) [ ] [ ] [ ] [ ] [ ] [ ]
Company starter (+[O]) [ ] [ ] [ ] [ ] [ ] [ ] [ ]

Answer: RUNE, UNDER, REFUND, FOUNDER

Fog [ ] [ ] [ ] [ ]
Multiplied by (+[E]) [ ] [ ] [ ] [ ] [ ]
Confound (+[Y]) [ ] [ ] [ ] [ ] [ ] [ ]
Press the wrong key (+[P]) [ ] [ ] [ ] [ ] [ ] [ ] [ ]

Mexican dish [ ] [ ] [ ] [ ]
Roll along (+[S]) [ ] [ ] [ ] [ ] [ ]
Team's "pet" (+[M]) [ ] [ ] [ ] [ ] [ ] [ ]
Tolerate (+[H]) [ ] [ ] [ ] [ ] [ ] [ ] [ ]

Sail support [ ] [ ] [ ] [ ]
Quick on the uptake (+[R]) [ ] [ ] [ ] [ ] [ ]
Creek (+[E]) [ ] [ ] [ ] [ ] [ ] [ ]
Theater seat divider (+[R]) [ ] [ ] [ ] [ ] [ ] [ ] [ ]