Ergosterol, for one.
Breadcrumb is a 10 letter word. Chocoholic is a 10 letter word.
experience
Often
Rodeo Rider, Ringmaster
Prediction
maturation
if you want to know what ten letter word starts with 'gasoline'. it could be 'automobile' or 'motorcycle'. if you want to know what ten letter word starts with 'gas', it's 'plasmatron'....
workaholic
vindictive
Aten, Sten
bridegroom
exurbanite