Learn how to say Cockroaches correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word cockroach:
any insect of the suborder Blattodea (or Blattaria), such as Blatta orientalis (oriental cockroach or black beetle): order Dictyoptera. They have an oval flattened body with long antennae and biting mouthparts and are common household pests See also German cockroach, mantis
C17: from Spanish cucaracha, of obscure origin