(ordered by popularity)
free
active
causative
real
principal
oxidizing
moral
single
infectious
special
secret
effective
multi
local
powerful
indian
therapeutic
etiologic
chief
literary
causal
british
double
potent
sole
primary
anesthetic
rational
former
antimicrobial
external
diplomatic
undercover
toxic
chemotherapeutic
infective
confidential
intelligent
commercial
responsible
fiscal
oral
etiological
offending
soviet
federal
useful
biological
independent
antibacterial
inflammatory
suitable
sub
potential
efficient
topical
oxidising
adrenergic
antihypertensive
valuable
binding
antiviral
anaesthetic
autonomous
ideal
agricultural
russian
selective
consular
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