Busy bee and Beaver

Busy bee noun - An alert and energetic person.

Beaver and busy bee are semantically related in eager beaver topic. In some cases you can use "Beaver" instead a noun phrase "Busy bee", when it comes to topics like industrious person.

Beaver noun - Large semiaquatic rodent with webbed hind feet and a broad flat tail; construct complex dams and underwater lodges.

Busy bee and beaver are semantically related in eager beaver topic. You can use "Busy bee" instead a noun "Beaver", if it concerns topics such as industrious person.