If it is not limited to a one-word answer, there is
"Alliteration" is a twelve letter word.
Visitor has the sixth letter being an o.
perversely
hillbillies
dipsomania
Ascribable - Improbable - Improbably -
This can't be answered. One eighth is actually greater than one sixth.
adjunct
nougat
mistletoe mistletoe
Twelve eighths minus one sixth is one and one third.
One half. Although one sixth is greater - than one eighth.