Here is a list of verbs that start with FOR.
foraging, forbad, forbade, forbid, forbidden
forbidding, forbids, forbore, forborne, force
forced, forces, forcing, forebearing, foreboding
forecast, forecasting, foreclosed, foreclosing, forego
foregoing, foregone, foresaw, foresee, foreseeing
foreseen, foreshortened, forestall, foretell, forfeit
forfeited, forgave, forged, forget, forgetting
forging, forgit, forgive, forgiven, forgiving
forgo, forgot, forgotten, fork, forked
form, formalize, formalized, formed, forming
forms, formulate, formulated, formulating, forsake
forsaken, forsakes, forswears, fort, fortified
fortify, forwarded, forwarding
Hope you enjoy this page of verbs that start with for and the rest of this verb list site as well.
Did I miss any verbs? Visitors can make this a more useful online resource by listing more verbs in the comments.