Practical is related to Useful. Useful is related to Effective. 
Conviction is related to Faith. Faith is a synonym of Religion. Religion is related to Organized. Organized is related to Plan. 
Practical <--RelatedTo--> Useful <--RelatedTo--> Effective 
Conviction <--RelatedTo--> Faith <--Synonym--> Religion <--RelatedTo--> Organized <--RelatedTo--> Plan 