What are the differences between proficiency and sufficiency?

Answer:
To be proficient is to be well advanced in an art, occupation, or branch of knowledge.


To be sufficient is to enough meet the needs of a situation or a proposed end, not necessarily to succeed them.
First answer by Qandageek. Last edit by Qandageek. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 17 [recommend question].