Lead-in
Sum up some useful suffixes.
(1) suffixes used as a noun signifier: -er, -or, -ee (-eer), -ing, -ance (-ence), -ment, -tion, -ness, -ist, -hood, -ism, -ship e.g. London – Londoner survive – survivor pay – payee engine – engineer attend – attendance different – difference manage – management graduate – graduation ill – illness biology – biologist child – childhood build – building social – socialism friend – friendship