(ordered by popularity)
other
different
new
various
several
modern
traditional
statistical
alternative
conventional
scientific
numerical
analytical
quantitative
standard
best
experimental
effective
qualitative
direct
following
better
usual
indirect
improved
appropriate
formal
based
efficient
ordinary
mathematical
practical
educational
available
above
sophisticated
empirical
mechanical
classical
agricultural
diagnostic
primitive
newer
graphical
multiple
instructional
computational
advanced
optical
intensive
analytic
objective
violent
reliable
suitable
finite
iterative
exact
accurate
peaceful
static
contraceptive
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