Part 1.
relentless
never-ceasing
restrained
under control
proliferate
grow rapidly
vie
compete for something
fray
wear away by rubbing
rife
excessively abundant
Part 2.
vary
be subject to change
zany
ludicrous or foolish
abase
cause to feel shame
brisk
quick and energetic
excel
distinguish oneself
forge
create by hammering
Part 3.
honor
bestow rewards upon
weigh
have a certain heft
access
the right to enter
allege
report or maintain
august
profoundly honored
coarse
rough to the touch
Part 4.
evince
give expression to
incite
provoke or stir up
seethe
foam as if boiling
stingy
unwilling to spend
torpid
slow and apathetic
burgeon
grow and flourish