Mammoth Uncensored Word List:
104 words ending with ch, 9 letters long

acritarch anabranch azedarach bacharach backbench backfisch backporch birdwatch blowtorch bullfinch cailleach cailliach cardpunch chaffinch chiliarch cockmatch cockroach cranreuch czarevich decastich disavouch disbranch dischurch doomwatch doorlatch everwhich firewatch flaxwench forasmuch forereach foreteach frogmarch gemutlich goldfinch headreach hemistich hemstitch hexastich hopscotch interarch jobsearch knaidlach kneidlach lastditch mailcoach mailpouch mashgiach matriarch microinch milkvetch monopitch monostich monotroch nonbleach nonchurch nonspeech nonstarch octastich orepearch outlaunch outpreach overcatch overcoach overmatch overperch overpitch overreach overteach overwatch patriarch peritrich photoetch pinwrench polemarch polyptych praiseach prelaunch prochurch quidditch rescratch restretch rosefinch roundarch ruggelach sandarach sasquatch scholarch shtetlach slowcoach soothlich squirarch stopwatch stroupach subbranch superrich surfperch taoiseach telestich topstitch tovarisch trierarch tsarevich ultrarich workbench