Suffix - A suffix is a few letters put at the end of a word to change its meaning.
Some 10 words of suffix
_less - effortless, endless
_ful - doubtful, faithful
_ish - bookish, rubbish
_al - emotional, regional
_ment - argument, punishment
_ship - fellowship, internship
_ity - inactivity, serenity
_ness - heaviness, sadness
_acy - privacy, delicacy
_dom - freedom, kingdom
??????Prefix - are a group of syllables added to the beginning of a word to alter its meaning. It helps in making possible to create new words.
Some 10 words of prefix-
_??????up - upgrade, uphill
_tri - triangle, tricycle
_mono - monologue, monotony
_hyper - hyperactive, hypersensitive
_extra - extraordinary, extracurricular
_en - enchant, enclose
_dis - disappear, disappoint
_de - deactivate, degrade
_auto - autobiography, automobile.