The most common and most likely answer to this crossword clue is the 9 letter word INDICATES
I
N
D
I
C
A
T
E
S
Buddy explains!

The straight part
We know that "Shows" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case shows = indicates.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does INDICATES mean?
INDICATES verb- To point out; to discover; to direct to a knowledge of; to show; to make known.
- To show or manifest by symptoms; to point to as the proper remedies.
- To signal in a vehicle the desire to turn right or left.
- To investigate the condition or power of, as of steam engine, by means of an indicator.