Brio and Vital principle

Brio noun - Active strength of body or mind.

Vital principle and brio are semantically related In some cases you can use "Vital principle" instead a noun "Brio".

Vital principle noun - A hypothetical force to which the functions and qualities peculiar to living things are sometimes ascribed.

Brio and vital principle are semantically related in hypothetical evolutionary force topic. Sometimes you can use "Brio" instead a noun phrase "Vital principle".