FIN fine final finale finalize finance financial finish finitude infinite infinitive infinitude confine confinement define definite definition indefinite refine refined refinement affinity definitive infinitesimal finite

　　JAC/JEC abject abjection deject eject ejection inject injection interject interjection object objection objective objectivity project projectile projector reject rejection subject subjection subjective ejaculate ejaculation subjacent adjacent conjecture dejected trajectory

　　TRACT trace track tract tractable traction tractor trail trailer train trait treat treatment treatise treatment abstract abstraction attract attraction contract contractile contraction contractor contractual detraction distract distraction extract extraction extract extraction extractor protract protraction protractor retrace retract retractile subtract subtraction entreaty maltreat portray portrait retreat subtrahend detract protracted retraction intractable

　　DUC abduct adduct conduce conduct conductor deduce deducible deduct deductive

　　ductile ductility educate education educe inducement induct induction inductive introduce introduction oviduct produce producer product production productive reduce reduced reduction seduce seducer semiconductor subdue traduce viaduct conducive deduction induce seduction

　　SEC/SEQU sequel sequence sequent sequential consequence consequent

　　subsequence subsequent consecution consecutive executive executor persecute

　　persecution prosecute prosecution prosecutor sue ensue pursue pursuance pursuit suit

　　suitable suite consequential execute obsequious sequential

　　AMBI/AMPHI ambidextrous ambient ambiguous ambition ambivalent

　　amphibian amphitheater ambiguous ambient ambivalent amphitheater

　　EP/EPI epic epidemic epigram epigraph epilogue episode epitome epoch ephemeral epiphyte epitaph epithet

　　HYPO/HYP hypocrisy hypostasis hypothecate hypothermia hypothesis hypochondriac hypocrisy hypothermia hypothetical

　　THERM/THERMO thermal thermocouple thermonuclear thermocline

　　AQU aquamarine aquatic aqueduct aquifer

　　ARM arms armada armament armed armistice armory army alarm disarm disarmament

　　AUG auction auctioneer audacity augment augmentative august author authority authoritative authorize authentic authenticity

　　AVI avian aviary aviate aviation aviator aviatrix aviculture auspice auspicious inauspicious augur augury inaugurate inauguration

　　BAND/BOND band bandage bond bondage contraband bound boundary