There are five word lists, which are sorted together: list the main corpus of words british british spellings, where different from american local a collection of words useful in our own lab, but not generally; mostly names and jargon stop everything with code "s" The word lists are annotated with affix codes, vaguely related to parts of speech. The codes are a adjective adv adverb comp comparative & superlative d don't suffix ed takes -ed er takes -er in takes in- as a prefix instead of un- ion takes -ion man takes -man ms "monosyllable"; double final consonant on affixing n noun na noun affix, e.g. -ism nopref do not prefix pc proper name or collective (don't pluralize) s stop; an unwanted word that could sneak thru v verb va verb affix, e.g. -ize vi irregular verb (no -ed) y can be made into adjective with -y The allowable affixes for each code are given in code.h It is a good idea to list codes in the same standard order in which they print under option -x: n,pc,v,vi,ed,a,er,comp,d,na,adv,ion,va,man,nopref,ms,in,y v = vi+ed s is incompatible with everything