Explosion is a type of Increase. Expansion is a type of Increase. Extension is a type of Expansion. Extension is a type of Delay. 
Day is related to Routine. Routine is a synonym of Practice. Practice is related to Make. 
Explosion --IsA--> Increase <--IsA-- Expansion <--IsA-- Extension --IsA--> Delay 
Day <--RelatedTo--> Routine <--Synonym--> Practice <--RelatedTo--> Make 