引っ張り蛸[hipparidako] being very popular
茹で蛸[yudetako] octopus (boiled)
蛸焼き[takoyaki] octopus dumplings
蛸入道[takonyuudou] octopus
蛸坊主[takobouzu] man with a bald or shaven head

蛸足[takoashi] many-legged
蛸足配線[takoashihaisen] overloading an electrical circuit
蛸配当[takohaitou] bogus dividend
蛸壺[takotsubo] octopus pot