This document lists common suffixes used to form nouns, adjectives, verbs, and adverbs in English. It includes suffixes like -er, -ee, -ion, -ism, -ist, -ness, -ment, and -ity that are often added to nouns, as well as suffixes like -al, -ing, -ant, -age, and -ry used to form nouns from other parts of speech. It also lists adjectival suffixes such as -able, -ive, -ous, and -ful and adverbial suffixes like -ly and -wise.