Discipline is related to Science. Scientific is derived from Science. Scientific is related to Theory. 
Builder is related to Weight. Weight is the opposite of Reduce. Reduce is related to Lose. 
Discipline <--RelatedTo--> Science <--DerivedFrom-- Scientific <--RelatedTo--> Theory 
Builder <--RelatedTo--> Weight <--Antonym--> Reduce <--RelatedTo--> Lose 