Flea and Rodent

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

Rodent and flea are semantically related in pest topic. In some cases you can use "Rodent" instead a noun "Flea".

Rodent noun - Relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawing.

Flea and rodent are semantically related in pest topic. You can use "Flea" instead a noun "Rodent".