Ego is related to Alter. Alter is a synonym of Transform. Transform is a type of Change. Edit is a type of Change. 
Soft is etymologically related to Seem. Seem is a synonym of Pretend. Pretend is the opposite of Actual. Actual is the opposite of Estimated. 
Ego <--RelatedTo--> Alter <--Synonym--> Transform --IsA--> Change <--IsA-- Edit 
Soft --EtymologicallyRelatedTo--> Seem <--Synonym--> Pretend <--Antonym--> Actual <--Antonym--> Estimated 