Adapt is a type of Change. Fix is a type of Change. Fix is a synonym of Hole. 
Number is related to Measurement. Measurement is derived from Measure. Radical is a type of Measure. 
Adapt --IsA--> Change <--IsA-- Fix <--Synonym--> Hole 
Number <--RelatedTo--> Measurement --DerivedFrom--> Measure <--IsA-- Radical 