| complexity(noun, difficulty, loop, complication, complexity) |
| coil(noun, difficulty, twist, circle, fold) |
| intricacy(noun, difficulty, loop, complication, complexity) |
| twist(noun, turn, circle, wind, loop) |
| involution(noun, loop, complication, complexity, spiral) |
| labyrinth |
| gyrus |
| complication(noun, complexity) |
| entanglement(noun, difficulty, complication, complexity, multiplicity) |
| involvement(noun, difficulty, complication, multiplicity, complicacy) |
| twirl(noun, turn, twist, circle, wave) |
| winding(noun, loop, spiral) |
| circumvolution(noun, turn, gather, bend, gathering) |
| curl(noun, twist, circle, wave, ring) |
| fold(noun, turn, gather, bend, gathering) |
| scroll(noun, helix) |
| sinuosity(noun, wave, loop, spiral, curlicue) |
| swirl(noun, loop, spiral) |
| tortuousness(noun, wave, loop, spiral, curlicue) |
| wave(noun, current) |