a-gallon
black-powder
double-base
flammable
half-burned
hypergolic
immiscible
long-chain
polycyclic
shotshell
single-base
slow-burning
smokeless
terpene
tonsof
unburnt
uncrushed
unstrained
adjourned
burned
churned
concerned
discerned
earned
learned
returned
spurned
turned
unconcerned
unearned
unturned
yearned