SIGN signal signature signify significant significance signification assign assignee assigner assignment consign consignation consignee consigner consignment countersign countersignature design designed designer designate designation ensign insignia resigned resignation assignation resign signatory signet

　　QUADR/QUART quadripartite quadriplegia quadruped quadruple quadrille quadriplegic quartile

　　TESSAR/TETR tetragon tetrahedron tetrarch tetracycline tetrahedron

　　VENGE vengeance vengeful avenge avenger revenge revengeful

　　VENT ventilate ventilation ventilator

　　VERG verge converge convergence convergent diverge divergence divergent

　　VI via viable viaduct voyage convey conveyance convoy deviate deviant deviation devious envoy invoice obviate obvious pervious impervious previous trivia trivial triviality

　　VIG vigil vigilance vigilant vigor vigorous invigorate invigoration invigorator vegetate vegetation vegetable

　　VOL voluntary involuntary volunteer voluptuous volition volitional benevolence malevolence

　　VULSE avulsion convulse convulsion convulsive revulsion

　　A-

　　1.adown afresh akin anew

　　2.aback abed ablaze aboard abroad afar afloat afoot aground ahead alive aloof asleep away

　　3.abide alike aloud amaze arise arouse ashamed athirst await awake

　　4.abadaon abase abate abridge achieve amass ameliorate amenable amount avenge avenue avow

　　5.avert avocation

　　6. abash amend avoid

　　7.abyss achromatic Amazon amnesty amoral apathy aphasia asylum asymmetry atheism atom

　　atypical

　　AD-advent abbreviate accede accelerate accept acclimate accomplice accost accumulate accustom acknowledge acquire adapt addict adduce adhere admire adorn advent adverse advocate affiliate affirm afflict affront aggress aggrieve align allay allocate allot alloy allude allure annex annihilate appease append appertain apply appraise apprise approbate arrest arrogant ascertain assert assuage assume attach attain attract attune

　　AL-almighty almost alone

　　AN-anemia anesthetic anarchy anecdote ambrosia