Related by context. Frequent words. (Click for all words.) 57 Lotus Esprit 55 submersible 48 electrically driven 47 hydrofoil 47 autonomous underwater 47 electric propulsion 46 underwater 46 hybrid propulsion 46 hydraulically operated 45 unmanned underwater 45 hydrofoils 44 Rinderknecht 44 REMUS 44 fishfinder 44 tidal turbine 43 hovercraft 43 robotic rover 43 AUVs 43 8 CYL 43 Skycar 43 manta ray 43 amphibious 43 Submersible 42 VTOL 42 #.#L V8 #V 42 unpiloted 42 AUV 42 highly maneuverable 42 AR.Drone 42 twin rover Spirit 42 skimming vessel 41 6 CYL 41 runabout 41 Who Loved Me 41 Mars rover 41 hydroplanes 41 WaveRunner 41 submersibles 41 runabouts 41 inboard engines 41 hovercrafts 41 airship 41 Nereus 40 Mars Rover 40 unpowered 40 Hovercraft 40 Batmobile 40 railgun 40 Orion spacecraft 40 watercrafts 40 manoeuvrable 40 propeller 40 propellers 40 rovers Spirit 40 jetski 39 rebreather 39 ROVs 39 6 Cyl 39 jetpacks 39 waterproof 39 propulsion 39 scramjet engine 39 catamaran 39 robotic submarine 39 submersed 39 Willys Jeep 39 Sea Doo 39 ROV 39 Jet Ski 39 propellor 39 lunar rover 39 jetskis 38 hydrodynamic 38 speedboat 38 musicman# Loved 38 snowplough 38 sunken warship 38 Aegis destroyer 38 snorkel 38 winching 38 foot Boston Whaler 38 Mariana Trench 38 remotely piloted 38 Chilingarov 38 SCUBA 38 pinger 38 mudflat 38 hypersonic flight 38 snorkeler 38 underwater robot 38 inshore lifeboat 38 radar altimeter 37 MAVs 37 jet propulsion 37 bilge pump 37 Straits Times print 37 semi submersible rig 37 RIBs 37 submerged 37 Andrea Doria 37 Pelamis