Individual is a synonym of Personal. Personal is related to Pin. Pin is related to Press. Press is related to Like. 
Half is related to Full. Full is a different concept from Lack. Lack is related to Have. Have is related to Employ. 
Individual <--Synonym--> Personal <--RelatedTo--> Pin <--RelatedTo--> Press <--RelatedTo--> Like 
Half <--RelatedTo--> Full <--DistinctFrom--> Lack <--RelatedTo--> Have <--RelatedTo--> Employ 