Mammoth Uncensored Word List:
29 - 11 letter words starting with ur

uralitising uralitizing uranography uranologies uranophobes uranophobia uranophobic uranoplasty urediospore uredospores ureotelisms urethrogram urethropexy urethrotomy uricotelism uriniferous uriniparous urinologies urinometers urochordate urodynamics urogenitals urographies uroscopists urostegites urotoxicity urticaceous urticarious urtications