eng: counter argument
eng: feedback
eng: decentralization
eng: countereffect, counterwork, adverse effect
eng: backwash effect
eng: brainstorming
eng: work, labour, job
eng: ABC, alphabet
eng: disability, disablement
eng: access, reachablity
eng: additional educational institution
eng: addtional education
eng: additional exam, supplementary exam
eng: additional value
eng: cognitive development
