Come is related to Born. Born is related to Birth. Birth is related to Pill. Pill is a type of Dose. 
Look is related to Appear. Appear is a synonym of Seem. 
Come <--RelatedTo--> Born <--RelatedTo--> Birth <--RelatedTo--> Pill --IsA--> Dose 
Look <--RelatedTo--> Appear <--Synonym--> Seem 