(ordered by popularity)
first
important
whole
second
next
open
only
difficult
interesting
real
fundamental
simple
crucial
main
basic
key
central
further
serious
following
third
previous
rhetorical
critical
obvious
big
final
vexed
vital
practical
direct
empirical
constitutional
irish
latter
unanswered
mere
pertinent
relevant
related
complex
burning
moot
essential
philosophical
above
ended
delicate
fair
ultimate
disputed
ethical
stupid
intriguing
easy
controversial
momentous
leading
polish
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