A "suffix" occurs ate the END of a word. Therefore is is impossible for a suffix to START a word, that is the job of a "prefix". This means your question is nonsense and can not be answered.
For or is.
it is a suffix
Pro-War Procrastanation
Words starting with pro:Pro: noun: an argument or evidence in favor of something.ProactiveProbateProclaimProcureProductProfileProfitProfoundProfuseProgramProlongPromotePronghornPronounPropaneProportionProposePropositionProtestProverbProvision
Program
root/pro suffix/al
neither. Prefixes and suffix are usually small three letter phrases that are used for many different words: eg pre, pro,
proceed
There is protect protest project
The Prefix of prtozoa is Pro.
Progress, proceed
The prefix in promptly is pro-. Pro- means forward or for.