-ish: Spanish, childish, foolish
-ous: spontaneous, curious, envious
-al: regional, universal, ancestral
-ful: wonderful, helpful, useful
-ic: scientific, terrific, athletic
-(a, i)ble: impossible, comfortable, flexible
-en: wooden, golden, broken
-ive: active, passive, productive
-(a,e)nt: significant, dependent
-less: useless, helpless, hopeless
-ly: monthly, friendly, lovely
-y: windy, sunny, cloudy