The most common and most likely answer to this crossword clue is the 5 letter word COMES
C
O
M
E
S
Buddy explains!
The straight part
We know that "Advances" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case advances = comes.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 COMES mean?
COMES verb- To move from further away to nearer to.
- To arrive.
- To appear, to manifest itself.
- (with an infinitive) To begin to have an opinion or feeling.
- (with an infinitive) To do something by chance, without intending to do it.
- To take a position relative to something else in a sequence.
- To achieve orgasm; to cum; to ejaculate.
- (with close) To approach a state of being or accomplishment.
- (with to) To take a particular approach or point of view in regard to something.
- (fossil word) To become, to turn out to be.
- To be supplied, or made available; to exist.
- To carry through; to succeed in.
- Happen.
- (with from or sometimes of) To have as an origin, originate.
- (of grain) To germinate.
- To pretend to be; to behave in the manner of.
- The answer to the theme, or dux, in a fugue.