Cur and Cross-breed

Cur noun - A person who shows a shameful lack of courage in the face of danger.

Cross-breed and cur are semantically related In some cases you can use "Cross-breed" instead a noun "Cur".

Cur and cross-breed are semantically related in animal of mixed background topic. Sometimes you can use "Cur" instead a noun phrase "Cross-breed", if it concerns topics such as sibling sharing one parent.