List of helical synonyms and helical related words.
O-shaped, ambagious, anfractuous, backhanded, circuitous, circular, cochlear, cochleate, corkscrew, corkscrewy, deviating, deviative, devious, digressive, discursive, excursive, helicoid, indirect, meandering, oblique, orbital, out-of-the-way, rotary, round, roundabout, screw-shaped, scrolled, spiral, spiroid, turbinal, turbinate, verticillate, volute, voluted, whorled