The answers to the clues below will have something in common.

1. Samoan skirt
2. Steamed semolina dish
3. Hawaiian food fish
4. Thiamine deficiency disease
5. Heavily ornamental, overly elaborate
6. Very friendly with
7. Beginning of thousands of riddles
8. Prudish
9. You-can't-lose situation
10. Shared equally

Answers:

1. Lava lava
2. Couscous
3. Mahi mahi
4. Beri beri
5. Frou-frou
6. Buddy-buddy
7. Knock knock
8. Goody-goody
9. Win-win
10. Fifty-fifty