■ suffix forming nouns:
1》 denoting a quality or condition: companionship.
2》 denoting status, office, or honour: citizenship.
↘denoting a tenure of office: chairmanship.
3》 denoting a skill in a certain capacity: workmanship.
4》 denoting the collective individuals of a group: membership.
Origin
OE -scipe , scype , of Gmc origin.