Mammoth Uncensored Word List:
99 words ending with th, 8 letters long

acrolith aerolith aggadoth allopath amaranth badmouth behemoth bequeath besmooth bigmouth birdbath challoth cornmoth dogteeth dogtooth drymouth eleventh ensheath enwreath eurybath eyeteeth eyetooth fiftieth footbath footpath forsooth fortieth genizoth gunsmith halakoth hamewith haroseth hawkmoth helminth herewith hundreth hyacinth hydranth ingrowth insheath isopleth kashruth ketuboth kryolith lopolith megalith mezuzoth midmonth misbirth misfaith mistruth mitsvoth mitzvoth monolith monteith myriadth nonfaith nontruth oilcloth opsimath outworth parabath perianth pisolith pleaseth polymath poortith prebirth predeath prodeath puirtith racepath regolith regrowth resmooth sawteeth sawtooth selcouth shofroth sidepath sixtieth strength tamworth telepath tinsmith tolbooth tsitsith tzitzith umptieth umteenth unhealth unsheath unsmooth upgrowth vermouth wanworth warmouth waxcloth xenolith