Propably zephyr; see if that works in your blank!
A six letter word for soft, gentle winds is breeze.
benign
A six letter word for humble is modest. Other synonyms for humble are polite, gentle, bashful, servile, and sedate. Some antonyms for humble are uncivil, unrefined, and boastful.
Breeze is one six letter synonym of air. So is Oxygen.
Anthem is a six letter word ending with them.
A six letter word for 'snake' is python.
One six-letter word with "m" as the second letter is "flame."
Accord is a six letter word. Accrue is another six letter word.
a six letter word that begins with v is violin;)
A six letter word that starts with U is upward.
a six letter word for fame is famousrenown/repute/credit
The six letter word is anthem.