common complaint common complication common components common computer common conception common concept common concern common conclusions common conditions common condition common configuration common connection common consciousness common consensus common consent common consequence common consolidated tax base common consolidated common construction common consular instructions common content common context common contribution common control common conviction common cooperation common coordinated common core common corporate tax base common corridor common costs common council common courtesy common courtyard common court common coverage common crime common criminal law common criminals common criminal common criteria common criticism common cross-border common culprits common cultural area common cultural heritage common cultural common culture common currency common curriculum common customs tariff duties common customs tariff nomenclature common customs common danger common data model common data set common database common data common date common decency common decision-making common decisions common decision common declaration common defect common defence common defense common definition of terrorism common definition of the concept common definitions common definition common delusion common democratic values common denomination common denominators common denominator common descent common description common designation common design common desire common desktop common destination common destiny common detailed rules common determination common development common devices common diagnosis common dialogue common diarrhoea common difficulties common dimensions common dining room common direction common directive common directory common discipline common diseases common disease common dish common disorder common distribution common doctrine common document common dolphin common domain common dosage common dose common draft common dream common drink common drugs common drug common duct common due common during pregnancy common duty common economic area common economic interests common economic policy common economic space common economic common economy common education common effects common efforts common effort common electronic common elements common element common email common emergency common endeavour common end common enemies common enemy common energy common enterprise common entrance common entry common environmental policy common environment common equipment common equity common era common errors common error common essence common european approach common european area common european asylum policy common european asylum system common european challenges common european citizenship common european culture common european currency common european energy policy common european framework of reference common european framework common european heritage common european history common european home common european identity common european immigration policy common european interest common european legislation common european market common european objectives common european policy common european position common european principles common european programme common european project common european response common european responsibility common european rules common european security common european standards common european strategy common european system common european union common european values common european vision common european common europe common evaluation common events common everyday common evil common examples common example common exercise common expenditure common expenses common experience common explanation common expression common external borders common external policy