Answer:

LUMP - a solid mass without a regular shape.

LEVEL UP - increase something in order to remove a disparity.

SIFT - to make a close examination of all the parts of something in order to find something or to separate what is useful from what is not.

CONVERSATION - a talk, especially an informal one, between two or more people, in which news and ideas are exchanged.

ASAPARATE - An enzyme found in the liver, heart, and other tissues.