Cootie and Flea

Cootie noun - A parasitic louse that infests the body of human beings.

Flea and cootie are semantically related in bug topic. In some cases you can use "Flea" instead a noun "Cootie", when it comes to topics like insect.

Flea noun - Any wingless bloodsucking parasitic insect noted for ability to leap.

Cootie and flea are semantically related in bug topic. You can use "Cootie" instead a noun "Flea", if it concerns topics such as insect.