A six letter word for helix is spiral.
As in "the staircase was spiral".
spiral
Spiral
spiral
helix
affix helix
helix horux
Anthem is a six letter word ending with them.
A six letter word for 'snake' is python.
Accord is a six letter word. Accrue is another six letter word.
a six letter word for fame is famousrenown/repute/credit
A six letter word that starts with U is upward.
MIRROR is a six letter word with three r's in it
The six letter word is anthem.