Suppress, Keep Back
This page is the CodyCross answer for the clue below from Fauna and Flora, Group 163, Puzzle 3 (Eutrophication).
Question is: Suppress, Keep Back
and the answer is: WITHHOLD
Word Meaning:
WITHHOLD — (transitive) To keep (a physical object that one has obtained) to oneself rather than giving it back to its owner.
Definitions from Wiktionary.