The 16 words below may be partitioned into 4 groups of 4 connected words.
Additionally, each of the four groups can be represented by a single group-word.
Finally, the four group-words are connected by a single five-letter word.
+--------------+--------------+--------------+--------------+ | SEA | SKY | DOWN | UNDER | +--------------+--------------+--------------+--------------+ | CROSS | EYES | SCREEN | MYTH | +--------------+--------------+--------------+--------------+ | DRIVE | HOME | BRONCO | TYPE | +--------------+--------------+--------------+--------------+ | BOOM | GANG | QUA | BLOCK | +--------------+--------------+--------------+--------------+
Can you identify the four groups and the associated group-words?
What is the five letter word that links the group-words together?