Verb & adverb suffixes
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Verb suffixes: -en: widen, strengthen, lengthen -ate: communicate, irritate, complicate -ify: intensify, magnify, beautify -is(z)e: realise, economise, recognise Adverb suffixes: -ly: easily, slowly, quickly -ward(s): downwards, forwards, afterwards -wise: clockwise, anti-clockwise