The most common and most likely answer to this crossword clue is the 7 letter word HUMBLER
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More clues leading to the result HUMBLER
Buddy explains!

The straight part
We know that "more common" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case more common = humbler.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 HUMBLER mean?
HUMBLER adjective- Not pretentious or magnificent; unpretending; unassuming.
- Having a low opinion of oneself; not proud, arrogant, or assuming; modest.
- Near the ground.