GRE Master Word list, 20th 2013
Word List 27 insurgent-irreverence 60
insurgent
insurmountable
insurrection
intangible
integral
integrate
integrity
intellect
intelligentsia
intercede
interdict
interim
interminable
intermittent
internecine
interpolate
interrogate
intervene
intimate
intimidate
intractable
intransigence
intrepid
intrinsic
introspective
introvert
intrude
intuition
inundate
inured
invalidate
invariable
invasive
invective
inveigle
inverse
invert
inveterate
invidious
invincible
inviolable
invocation
invoke
invulnerable
iota
irascible
irate
irksome
ironic
irony
irreconcilable
irrefutable
irrelevant
irremediable
irreparable
irrepressible
irreproachable
irresolute
irretrievable
irreverence