Related by context. Frequent words. (Click for all words.) 58 opposable thumbs 56 forelimb 54 flagellum 53 biped 53 bipedalism 52 forelimbs 52 bipedal 51 homo sapiens 51 theropod 51 mouthparts 51 double jointed 50 quadruped 50 mandibles 50 appendages 50 ape 50 inchworm 50 pectoral fins 50 bipeds 49 pincers 49 tetrapod 49 tyrannosaurus rex 49 brontosaurus 49 upright posture 49 appendage 48 anthropomorphic 48 Tiktaalik 48 afarensis 48 humanlike 48 hind limbs 48 anatomical structures 48 pig snout 48 webbed feet 48 canine teeth 47 Diplodocus 47 Indohyus 47 catlike 47 velociraptor 47 Homo Sapiens 47 flagella 47 locomotion 47 Homo sapiens 47 fishhook 47 jaw muscles 47 exoskeletons 47 humanoid 46 sensory organs 46 pendulous 46 featherless 46 evolutionary 46 maxillary 46 velociraptors 46 beak 46 fossa 46 anthropomorphizing 46 Tyrannosaurus 46 inanimate 46 physiognomy 46 mantis shrimp 46 humans 46 evolutionary adaptation 46 dextrous 46 dung beetle 45 LB1 45 nanomachines 45 reptilian 45 H. erectus 45 anthropomorphism 45 proboscis 45 deformed 45 mammalian 45 gonads 45 mantis 45 irreducible complexity 45 tyrannosaur 45 snout 45 crocodilians 45 anthropomorphize 45 fleshy 45 tetrapods 45 innate 45 sentience 45 bony 45 claws 45 anteater 45 feathered dinosaurs 45 hermaphroditic 45 brained 45 sentient beings 45 lobster claws 45 tickler 45 talon 45 anatomically 44 hominin 44 epistemic 44 contortion 44 mandible 44 Australopithecus 44 Homo habilis 44 sentient 44 cephalopod 44 wriggly