Associate is a synonym of Join. Join is related to Bolt. 
Transition is related to Melt. Melt is a synonym of Disappear. Disappear is a synonym of Vanish. 
Associate <--Synonym--> Join <--RelatedTo--> Bolt 
Transition <--RelatedTo--> Melt <--Synonym--> Disappear <--Synonym--> Vanish 