Related by context. Frequent words. (Click for all words.) 51 turbines 51 turbine blades 50 shadow flicker 50 flapping wings 49 blades 49 propellers 49 wind turbines 49 Wind turbines 48 rotor blades 48 propeller blades 47 propeller 47 updrafts 45 wind turbine blades 45 rotors 45 laser beams 45 phalluses 45 windmills 45 mandibles 45 pectoral fins 45 fireballs 45 vortices 45 helicopter rotors 44 windmill 44 whirligigs 44 electromagnet 44 boat propellers 43 electromagnets 43 strobe light 43 vanes 43 deflectors 43 whirr 43 razor sharp teeth 43 strobing 43 Flashing lights 43 creatures 43 whirs 43 Turbines 42 lightning bolts 42 Wind turbine 42 electromagnetic pulse 41 whirling 41 insects 41 turbine 41 birdlike 41 thunderclouds 41 whooshing 41 afterburner 41 funnel shaped 41 radome 41 raptors 41 whir 40 overhanging branches 40 infrared beam 40 rotor 40 magnetic fields 40 housefly 40 wind turbine 40 beaks 40 whooshing sound 40 spray nozzles 40 sea gulls 40 monopoles 40 Wind Turbines 40 exhaust pipes 40 sonars 40 airstream 40 rotor diameter 39 vibrations 39 propellor 39 ailerons 39 dorsal fins 39 fishhook 39 wind farms 39 Sperm whales 39 wind turbine towers 39 nuthatches 38 wooden dowels 38 flagellum 38 offshore wind turbines 38 protrusions 38 strobes 38 handsaw 38 whirring sound 38 digital readout 38 venturi 38 chimney stack 38 ridge tops 38 waterspouts 38 Horseshoe Shoal 38 airfoil 38 impellers 38 treetops 38 impale 38 gliders 38 lightning flashes 38 roosting 38 windsock 38 whirring 38 geomagnetic storms 38 thresher 38 bumble bees