closed book 11 Associations

mystery enigma secret perplexity (generic term)

dilemma 7 Associations

quandary perplexity (generic term)

enigma 6 Associations

mystery secret closed book perplexity (generic term)

maze 4 Associations

tangle snarl perplexity (generic term)

mystery 7 Associations

enigma secret closed book perplexity (generic term)

quandary 8 Associations

dilemma perplexity (generic term)

secret 6 Associations

mystery enigma closed book perplexity (generic term)

snarl 5 Associations

tangle maze perplexity (generic term)

tangle 6 Associations

snarl maze perplexity (generic term)