Busy - busier - (the) busiest
prosperous - more prosperous - (the) most prosperous
picturresque - more pictterusque - (the) most picteresque
modest - modester - (the) modestest
smart - smarter - (the) smartest
striking - strikinger - (the) strikingerest
fragile - fragilier - (the) fragiliest
exiting - more exiting - (the) most exiting
attractive - more attractive - (the) most attractive
touching - touchinger - (the) touchingest
stupid - stupider - (the) stupidest
wicked - wickeder - (the) wickedest