Spelling - ...If You Lived at the Time of the Revolution

This week's words will last through next week.

zero
zeros
trio
trios
hero
heroes
echo
echoes
potato
potatoes
halo
halos
radios
buffalo
buffaloes
colonies
taxes
themselves
clothes
speeches

flammable
pyre
flamboyant
pyrotechnics
inflammatory
pyromania
inflammation
pyrite
pyrophobia
pyrography