Based on the output values for the given inputs, it appears that f(x) assigns higher values to words that are associated with abstract concepts or qualities, rather than concrete objects or common terms. The function seems to capture a sense of abstractness or conceptual nature in words.

Here is a preliminary description of the function:
[DESCRIPTION]: The function f(x) assigns higher values to words that are associated with abstract concepts or qualities, as opposed to concrete objects or common terms. It captures the degree of abstractness or conceptual nature in words.