ignite
emancipated
Put or set
A code.
determined
Freed.
Set.
fire
no one knows
The homophones for "not heavy" and "set fire to" are "light" and "lite."
The opposite of flammable is inflammable, which means not capable of being easily set on fire.
set a fire
Successfully is a 12 letter word with three set of double letters. Stubbornness is another 12 letter word.