cooperate
to work together
latitude
the distance north or south of the equator
vertex
the highest point of something; in geometry, the point at which two sides intersect
pyre
a pile of flammable materials, usually intended for burning
coordinating
of the same order, rank, significance, or characteristic
unilateral
having or related to one side (can be literal or figurative)
convert
to change into a different property or state; to adopt a new opinion, belief, or religion
pyrogenic
produced or created by fire or heat
coterminal
having a common boundary; meeting at the ends
collateral
something offered as security for repayment of a loan
divert
to draw off course; to turn aside from a set path
pyromania
a condition characterized by obsession with fire