From the most recent test, it seems that the function is more selective towards words related to nature, environments, and animals, with "elephant" having the highest value. Based on the tests conducted so far, let's describe the function:

[DESCRIPTION]: The function appears to be selective for words related to nature, environments, and animals, with higher output values for words like "volcano", "desert", "ocean", "elephant" and "tree". The function returns lower values for abstract concepts and less related words.